USB causing file corruption?

Hi all,
I've been using external usb drives on my macbook for a while now, both harddrives and flash sticks. I recently noticed that some photo's I copied on a flash drive got corrupted. After doing some research I found that a lot of the files I store on my harddrive are somewhat corrupted. I verified by downloading some files and checking MD5 hash and also copying files and checking integrity with par2 hashes.
The harddrive is directly plugged into the macbook so power can't be an issue. I pretty much eliminated faulty formats by testing with multiple devices. That leaves me with either a hardware defect or faulty USB drivers. Any ideas or similar experiences?
Ps: I do have macfuse installed, though I ought it unlikely to effect things considering corruption also happens on HFS+ formatted drives.
Edit: It might be worh noting that corruption doesn't seem to happen continuously; maybe in 1 out of 3 downloaded/moved files.
Message was edited by: Shakamac

Similar Messages

Dual Booting with mSATA causing file corruption

Have a T520 with an Intel SSD. Last week I added a Kingston mSATA to install Windows 8 Consumer Preview. Pulled the SSD before installing Windows 8. Then put it back in. Since doing the install have had lots of issues with both drives, although most of the issues are with the SSD and Windows 7. Somehow, a bunch of system files and program files on the SSD have been corrupted.
Whenever I would boot to Windows 8 on the mSATA, Windows 8 would work fine. But when I would shut down and then boot to Win7 on the SSD, CHKDSK would run after the opening Windows logo and before the login screen, usually to check the SSD, but sometimes the mSATA., saying the disk needed to be checked for consistency. The first few times, CHKDSK found just a few things to fix. Then one time Win7 wouldn't open after a CHKDSK...I'd get a black screen with a cursor arrow (that I could move with the trackpoint). So I booted to the Win7 install disk and did a repair and that seemed to fix the system problems (although a few programs still have issues). I ran the Intel SSD Toolbox to scan the SSD and it didn't find any problems.
Then tonight I booted to the mSATA (no problems), then when I booted to the SSD and CHKDSK ran, it found a bunch of problems on the SSD. Here are a few representative samples:
Attribute record of type 0xa0 and instance tag 0x4 is cross linked
starting at 0x10c for possibly 0x5 clusters.
Some clusters occupied by attribute of type 0xa0 and instance tag 0x4
in file 0x1c9 is already in use.
Deleting corrupt attribute record (160, $I30)
from file record segment 457.
The index bitmap for index $I30 in file 0x13e is invalid or missing.
Correcting error in index $I30 for file 318.
Recovering orphaned file System.Data.DataSetExtensions.dll (15412) into directory file 318.
Recovering orphaned file System.Data.Entity.Design.dll (15414) into directory file 318.
Figure I need to do a clean reinstall of Win7 on both drives, but would like to figure out what's going on before I do so I don't spend a day reinstalling only to have the same problems reappear.
All help appreciated.
Jon

zoltanthegypsy wrote:
Is there some way to get '8 to do full shutdown? Does that make any difference?
Yes. Fast Startup can be disabled. I haven't discovered all of the ways to get to the option but here's at least one of them:
Control Panel | Power Options | System Settings
You'll see the checkbox under the Shutdown Settings section of the page at the bottom. Most likely you'll need to click the admin permission required link at the top to "Change settings that are currently unavailable".
The way I really discovered this was when I went to the "Choose what closing the lid does" task in the Power Options area.

Is there a cure for persistent file corruptions across the suite?

i am having terrible and consistent problems with file corruptions across the suite. for example…
1: i collected for output (indesign) – corrupted over 100 small images that were linked.
2: opened an indesign job and all linked files failed to update and could not be imported (simply would not import those files and were all corrupted).
3: had a hang in photoshop followed by a 150:30 error (would not open any of my applications). this prompted a clean install of system and adobe cs4 see below
4: most recently, had a hang in photoshop (photoshop will also no "force quit") whilst indesign was open. two of my image files corrupted and, most surprisingly, all my illustrator files that i had placed also corrupted (will not even open in illustrator any more). illustrator was not even running at the time, so, get this – a hang in photoshop destroys illustrator files simply because they are placed in indesign.
this last event has made me more certain than ever that there is a fundamental problem at the cs4 core.
can anyone help?
please note the following:
i am running a macintosh imac, 2.66 GHz Intel Core 2 Duo (latest imac), with 4 GB 1067 MHz DDR3 ram.
before this last disaster, i had reloaded the system software (archive and install), and updated it all the way to version 10.5.8
i then uninstalled the creative suite, ran the cleanscript from adobe, reloaded the creative suite, downloaded all the cs4 updates
(so, latest mac, latest system, latest cs4 – all clean installs).
is there something i can do? or is this just a very unstable and disappointing upgrade – i have had nothing but problems from day one!
many thanks if anyone has any advice.

Re: 150:30 error:
Please try this KB article's solutions, and report back on how it went for you. If you can provide details about any recent OS updates, backups, or migrations, that would help is nail down the root cause of the new rash of this error for Mac users recently:
http://kb2.adobe.com/cps/512/cpsid_51260.html

Sync File Corruption with 64-bit Vista/iTunes

I'm getting some file corruption problems when trying to sync my new 16GB iPhone with the latest 64-bit iTunes (7.6.0.29). "yes I have the 64-bit version".
The sync seems to go correctly, but I have yet to be able to play any videos all the way through. Videos purchased from iTunes as well as self encoded files. All said files were working on my 60GB iPod Video with previous versions of iTunes on the same 64-bit Vista machine.
The videos will start playing fine, but will eventually reach a point in the file that was corrupted during transfer, the audio will drop out and the video will distort, then it exits from the video as if it reached the end of the file. No error messages or anything. If I play the file again, it will do the same thing at the exact same spot, so its a problem in the file. Now, if I remove the file and add it back, the file still has the same problem, but in a different location, which means the source is fine, but the copy to the device during the sync is the issue.
To test, I synced the exact same content from my notebook which is 32-bit XP, and zero problems. So I'm currently just using my notebook for syncing at the moment.
Anyone else with 64-bit Vista have a similar issue?

Hello
I have a couple troubleshooting steps I would like you to try. I myself do not have a 64 bit Vista so I can not test this to confirm if the same issue occurs or not.
1. Attempt to Sync content using each of the USB Ports. See if all USB Ports pose the same issue with the video. Or if you found when where it does not occur.
2. Test on a new user on the Vista Machine. If possible take at least one or 2 movies and copy them onto a flash drive or something. And bring them into iTunes on a new user account. You may need to Authorize that user and De-authorize when your done. Does the same issue occur?
3. If you perform a reboot on the iPhone, Then Sync Data over. Does the same issue occur?
4. If possible could you restore the iPhone. Then Re-sync and see if same issue occurs.
5. Is this happening with all videos? or only certain ones? Does the corruption occur at the same time frame every time? If so is it the same time frame for all videos or slightly different?
6. Perform an Uninstall and Reinstall of iTunes on your system, See if same issue occurs.
Let us know how it goes.

Transaction log shipping restore with standby failed: log file corrupted

Restore transaction log failed and I get this error: for only 04 no of database in same SQL server, renaming are working fine.
Date
9/10/2014 6:09:27 AM
Log
Job History (LSRestore_DATA_TPSSYS)
Step ID
1
Server
DATADR
Job Name
LSRestore_DATA_TPSSYS
Step Name
Log shipping restore log job step.
Duration
00:00:03
Sql Severity        0
Sql Message ID 0
Operator Emailed
Operator Net sent
Operator Paged
Retries Attempted
0
Message
2014-09-10 06:09:30.37 *** Error: Could not apply log backup file '\\10.227.32.27\LsSecondery\TPSSYS\TPSSYS_20140910003724.trn' to secondary database 'TPSSYS'.(Microsoft.SqlServer.Management.LogShipping) ***
2014-09-10 06:09:30.37 *** Error: An error occurred while processing the log for database 'TPSSYS'.
If possible, restore from backup. If a backup is not available, it might be necessary to rebuild the log.
An error occurred during recovery, preventing the database 'TPSSYS' (13:0) from restarting. Diagnose the recovery errors and fix them, or restore from a known good backup. If errors are not corrected or expected, contact Technical Support.
RESTORE LOG is terminating abnormally.
Processed 0 pages for database 'TPSSYS', file 'TPSSYS' on file 1.
Processed 1 pages for database 'TPSSYS', file 'TPSSYS_log' on file 1.(.Net SqlClient Data Provider) ***
2014-09-10 06:09:30.37 *** Error: Could not log history/error message.(Microsoft.SqlServer.Management.LogShipping) ***
2014-09-10 06:09:30.37 *** Error: ExecuteNonQuery requires an open and available Connection. The connection's current state is closed.(System.Data) ***
2014-09-10 06:09:30.37 Skipping log backup file '\\10.227.32.27\LsSecondery\TPSSYS\TPSSYS_20140910003724.trn' for secondary database 'TPSSYS' because the file could not be verified.
2014-09-10 06:09:30.37 *** Error: Could not log history/error message.(Microsoft.SqlServer.Management.LogShipping) ***
2014-09-10 06:09:30.37 *** Error: ExecuteNonQuery requires an open and available Connection. The connection's current state is closed.(System.Data) ***
2014-09-10 06:09:30.37 *** Error: An error occurred restoring the database access mode.(Microsoft.SqlServer.Management.LogShipping) ***
2014-09-10 06:09:30.37 *** Error: ExecuteScalar requires an open and available Connection. The connection's current state is closed.(System.Data) ***
2014-09-10 06:09:30.37 *** Error: Could not log history/error message.(Microsoft.SqlServer.Management.LogShipping) ***
2014-09-10 06:09:30.37 *** Error: ExecuteNonQuery requires an open and available Connection. The connection's current state is closed.(System.Data) ***
2014-09-10 06:09:30.37 *** Error: An error occurred restoring the database access mode.(Microsoft.SqlServer.Management.LogShipping) ***
2014-09-10 06:09:30.37 *** Error: ExecuteScalar requires an open and available Connection. The connection's current state is closed.(System.Data) ***
2014-09-10 06:09:30.37 *** Error: Could not log history/error message.(Microsoft.SqlServer.Management.LogShipping) ***
2014-09-10 06:09:30.37 *** Error: ExecuteNonQuery requires an open and available Connection. The connection's current state is closed.(System.Data) ***
2014-09-10 06:09:30.37 Deleting old log backup files. Primary Database: 'TPSSYS'
2014-09-10 06:09:30.37 *** Error: Could not log history/error message.(Microsoft.SqlServer.Management.LogShipping) ***
2014-09-10 06:09:30.37 *** Error: ExecuteNonQuery requires an open and available Connection. The connection's current state is closed.(System.Data) ***
2014-09-10 06:09:30.37 The restore operation completed with errors. Secondary ID: 'dd25135a-24dd-4642-83d2-424f29e9e04c'
2014-09-10 06:09:30.37 *** Error: Could not log history/error message.(Microsoft.SqlServer.Management.LogShipping) ***
2014-09-10 06:09:30.37 *** Error: ExecuteNonQuery requires an open and available Connection. The connection's current state is closed.(System.Data) ***
2014-09-10 06:09:30.37 *** Error: Could not cleanup history.(Microsoft.SqlServer.Management.LogShipping) ***
2014-09-10 06:09:30.37 *** Error: ExecuteNonQuery requires an open and available Connection. The connection's current state is closed.(System.Data) ***
2014-09-10 06:09:30.38 ----- END OF TRANSACTION LOG RESTORE
Exit Status: 1 (Error)

I Have restore the database to new server and check with new log shipping but its give this same error again, If it is network issue i believe issue need to occur on every database in that server with log shipping configuration
error :
Message
2014-09-12 10:50:03.18   *** Error: Could not apply log backup file 'E:\LsSecondery\EAPDAT\EAPDAT_20140912051511.trn' to secondary database 'EAPDAT'.(Microsoft.SqlServer.Management.LogShipping) ***
2014-09-12 10:50:03.18   *** Error: An error occurred while processing the log for database 'EAPDAT'. If possible, restore from backup. If a backup is not available, it might be necessary to rebuild the log.
An error occurred during recovery, preventing the database 'EAPDAT' (8:0) from restarting. Diagnose the recovery errors and fix them, or restore from a known good backup. If errors are not corrected or expected, contact Technical Support.
RESTORE LOG is terminating abnormally.
can this happened due to data base or log file corruption, if so how can i check on that to verify the issue
Its not necessary if the issue is with network it would happen every day IMO it basically happens when load on network is high and you transfer log file which is big in size.
As per message database engine was not able to restore log backup and said that you must rebuild log because it did not find out log to be consistent. From here it seems log corruption.
Is it the same log file you restored ? if that is the case since log file was corrupt it would ofcourse give error on wehatever server you restore.
Can you try creating logshipping on new server by taking fresh full and log backup and see if you get issue there as well. I would also say you to raise case with Microsoft and let them tell what is root cause to this problem
Please mark this reply as answer if it solved your issue or vote as helpful if it helped so that other forum members can benefit from it
My Technet Articles

H8-1520t: sfc /scannow reported file corruption in Windows 8.1

My computer (h8-1520t) computer had had file corruption error reported by sfc /scannow.
The corruption was rather common corruption as discovered elsewhere on the internet. The corruption pertained to prncacla.inf and it was repaired only by using DISM.exe /Online /Cleanup-image /Restorehealth. The corruption occured while the computer was doing automatic maintenance which locked up my system. After forcing a shutdown and rebooting, I immediately ran sfc /scannow and that's when the corruption was first detected.
Now sfc /scannow finds no corruption and automatic maintence runs to completion.
Since this is a rather common corruption error and there's no explanation as to what causes the problem, should I send my computer, which it's still under warranty, back to HP ---or--- did I corrected the corruption properly ? ? ?
On additional question: What on earth causes that common corruption to occur anyway.
Also: UEFI diagnostics extensively run and the extensive testing revealed no problems with system board, hard drive, memory, processor (i7-3770), graphics card memory (Radeon HD 8570).
If I should be concerned about my computer being a dud and lemon, I'd like to know... Or, did I fix the corruption correctly?
Thanks,
Mark

Hi Mark,
You may want to review this article.
If you are not comfortable with the Windows repair process then you can use the external HP recovery media to reload you PC back to a day one factory fresh condition. Backup your data before doing so.
HP DV9700, t9300, Nvidia 8600, 4GB, Crucial C300 128GB SSD
HP Photosmart Premium C309G, HP Photosmart 6520
HP Touchpad, HP Chromebook 11
Custom i7-4770k,Z-87, 8GB, Vertex 3 SSD, Samsung EVO SSD, Corsair HX650,GTX 760
Custom i7-4790k,Z-97, 16GB, Vertex 3 SSD, Plextor M.2 SSD, Samsung EVO SSD, Corsair HX650, GTX 660TI
Windows 7/8 UEFI/Legacy mode, MBR/GPT

File corruption with a very large .ai file

A little background first:
I am a graphic designer/cartographer with 15+ years of experience. I started making maps in Illustrator with version 6 and have upgraded to every version since.
My machines:
2x Mac Pro 8-core 3.0GHz, 16GB RAM, 10.5.7
Mac Pro quad-core 2.66GHz, 8GB RAM, 10.5.7
MacBook Pro 2.0GHz, 2GB RAM, 10.5.7
Illustrator specs:
All machines have CS4 installed as well as Illustrator 10.
The 8-core MPs have the MAPublisher Plug-ins installed
The 4-core and MacBook Pro (MBP) does not have the MAPublisher Plug-ins
The problem I am having can be replicated on each of the machines. The MBP can't handle the file due to RAM. Since this occurs on machines that has MAPublisher installed and a machine that does not, I think we can rule out a plug-in issue.
File specs:
The original file: version 10, file size (uncompressed, no PDF support, and no font-embedding) is 36.4 MB. There are no raster effects or embedded/placed images. This is strictly a vector file. Artboard Dimensions: 85.288 in x 81.042 in
The original file, converted with CS4, and then saved as a CS4 file: file size (uncompressed, no PDF support, and no font-embedding) is 97.9 MB.
Brief Description of the problem:
I have tried to convert this file into every version of CS and it has failed every time. With each version, it has resulted in an unusable file for different reasons. CS-CS3, the file was completely unusable because of the opening/saving time. It could take as long as 3 hours to save the file. With CS4, this has been rectified and I once again tried to convert it. Upon re-opening of the 'converted' CS4 native file, the file is 'corrupted'.
The file corruption is not your regular "This file can't be opened because of: X" corruption. The file opens after a save/close just fine. It is just that parts of the file gets destroyed. To save space in this post, I have created a webpage that illustrates the problem that I am having:
http://newatlas.com/ai_problem/
I have tried everything possible to make the file smaller and it is as slimmed down as I can make it. (Using symbols, styles, etc.) I have also tried to eliminate this as a font problem by replacing every font with an Adobe supplied font, cleared caches, etc. This does not work, so I think we can rule out a font issue. I have also reduced this file to contain no pattern fills, no gradients, and just used simple fills and strokes. All to no avail. I have also tried piecing the file back together into a new document by copying/pasting a layer at a time. Saving, closing and re-opening after each paste cycle. I can get about 95% of it put back together and then it will manifest the problem. The only thing I haven't done is to convert all of the type to outlines. This would not solve my problem since this is a map that I continually work on year after year. I also can't remove objects or cut the overall area of the map because this file is used to produce an atlas book, a wall map and custom boundary wall maps. You can view the entire file at:
http://okc.cocpub.com
If I do not convert the legacy text, the file saves/closes/re-opens just fine. It just takes a very long time. So this leads me to think that the cause of the problem is the number of editable type objects that this file has. Ever since Adobe changed the Type Engine, I haven't been able to use this file in current versions of Illustrator.
If I could get this file to open, uncorrupted, I could finally get rid of Illustrator 10. Illustrator 10 does not have any problem with this file (and is still faster than CS4 in everything except selecting a lot of objects.)
I am posting this on the forums for any other opinions/ideas from the 'Illustrator Gurus' as a first step. I want to get in contact with someone at Adobe to see if we can address this problem and possibly get it fixed with CS5. I know that this is a user-to-user forum, but I'm not sure who, where and how to contact Adobe for this issue. Maybe someone on these forums can help with that as well.
Thank you for your patience for getting this far in my long post and I would really appreciate any response.
Dave

Thanks Wade for responding,
Did you try trashing your Adobe Illustrator CS4 Settings folder in your User's Preferences?
Yes, I've tried deleting prefs. Basically I've tried to rule out any problems with Illustrator as a whole. This issue has also occured on a clean install of OS X and Illustrator on a new User Account with the opening of this file being the first task that Illustrator has. There is no problem with Illustrator per se, but I think it is more of a limitation in Illustrator based on the number of type objects.
You could also try saving it out of 10 as a pdf or as postscript and distilling it then open that in ai or place it id a blank AI document.
Did you try to place instead of opening it?
I haven't tried any of these since the resulting file would be utterly unusable. Basically this would create a 'flat' file with 'broken' strings of text (type on a path especially) and type being uneditable. (Now that I think about it, CS4 does a much better job of opening pdfs without breaking type.) I still think this approach is not really a prudent course of action since, as of now, I can continue to maintain this map in Illy 10.
In my experimentation, the results are as follows:
1. Opening the file without updating the legacy type, saving the file as a new document, closing and then re-opening results in a file you would expect. Every object is where it is supposed to be. Downfall of this method: I absolutely need the type to be editable, especially the 'Street Type' since this type is actually used to create map indexes.
2. Opening the file with updating the legacy type, saving the file as a new document, closing and then re-opening results in a file that exhibits the exact behavior that has been posted in the thread-starter. This method results in the 'Bruce Gray' type being the duplicated item.
3. Opening the file without updating the legacy type, then splitting the file into layer groups and saving as separate files. Then opening the resulting CS4 files, updating the legacy type, copy & pasting (with layer structure) into a new document results in a usable file up to a point. I can get about 95% of it put back together and then the problem manifests. I have thought that it might be a "bad" object on one of the layers but I have ruled that out by: a.) All of the resulting sub-files (files that are portions of the larger) exhibit no problems at all. Usually our PS printers find issues that Illy does not and there is no problem in RIPing the sub-files. b.) If I change the paste order, meaning copying & pasting from the top-most layers to the bottom-most layers, vice-versa, and a completely random paste order, different objects (other than the 'Bruce Gray' type) will be duplicated. I've had one of my park screens, a zip code type object and a school district boundary be the duplicated object.
All of these experiments has lead me to believe that the Illustrator Type Engine is the main facilitor. I just don't think it can handle that many individual point type objects. I know CS4 can handle the number of objects, based on the fact that a legacy type (non-updated) file works.
I am almost entirely sure that Illustrator is working exactly as it is supposed to and that the vast majority of Illy users will never run into this issue. This file is by far the largest file that I work on. I would just like to be able to use an Intel native version of CS to continue maintaining this map.
On a side note: About three years ago, I tried working with this file in Freehand MX. Freehand initially would open the Illy file without a problem. I could work on it but when I would save it as a Freehand file, close it and re-open it, I would get your standard File Corruption. It would partially open, give me a corruption dialog, and open the file as a blank document. I alwa ys knew there was a reason to use Illustrator over Freehand for making maps.

Kernel panics, graphic file corruption with Firewire

I've been having consistent problems with Firewire since I got my Mac Pro last year. I only recently narrowed it down to Firewire so I thought I'd write it up here for the record.
I never actually solved the problem, just started using USB-2 instead and the issues went away.
--I had been getting pretty consistent kernel panics while doing backups or large file transfers to an external FW drive. I tried a few different drives and cables and the panics were consistent.
--I also noticed a strange problem where graphic files I'd backed up (TIFF, JPEG, etc.) would have these single-pixel horizontal streaks running through them. This was a little disconcerting because it wasn't picked up during verification, it was just there when I opened the backup file.
I found lots of people with FW problems in these forums but none mentioned that strange file corruption I got.
I'll try FW again after a future system software upgrade but I'm giving up on it for now.

I've been having consistent problems with Firewire since I got my Mac Pro last year. I only recently narrowed it down to Firewire so I thought I'd write it up here for the record.
I never actually solved the problem, just started using USB-2 instead and the issues went away.
--I had been getting pretty consistent kernel panics while doing backups or large file transfers to an external FW drive. I tried a few different drives and cables and the panics were consistent.
--I also noticed a strange problem where graphic files I'd backed up (TIFF, JPEG, etc.) would have these single-pixel horizontal streaks running through them. This was a little disconcerting because it wasn't picked up during verification, it was just there when I opened the backup file.
I found lots of people with FW problems in these forums but none mentioned that strange file corruption I got.
I'll try FW again after a future system software upgrade but I'm giving up on it for now.

Acrobat Pro X crash and file corruption

I'm having an issue with Acrobat Pro X. While I was using the touchup reading order tool to select a form field, Acrobat crashed. Now, when I attempt to open the file, I'm getting a message that states "There was an error opening this document. The file is damaged and could not be repaired." I'm not sure how this occurred and I don't believe it was something I did since I was not doing anything out of the ordinary when it happened.
Is there any way around this issue that would allow me to open this file?

The file is corrupt. Either it was corrupt which caused the crash or the crash caused the corruption. But your file is toast. Best solution is to restore the file from backup.

Log file corrupt and can't open the database.

I use Replication Manager to manage my Replication; and there is only one site currently in my application.
I killed the App process with signal -9. (ie. $ kill -9 appID).
Then I try to restart the App, but the event_callback function got a PANIC event when to open the envirment.
The open flag is:
flags = DB_CREATE | DB_INIT_LOCK | DB_INIT_LOG | DB_INIT_MPOOL |
DB_INIT_REP | DB_INIT_TXN | DB_RECOVER | DB_THREAD;
ret = dbenv->open(dbenv, path, flags | DB_SYSTEM_MEM, 0);
What's the reason cause this problem?
How can recover it ?
The logs list as below:
[D 11/19 09:44] dbpf using shm key: 977431433
[E 11/19 09:44] [src/io/dbpf-mgmt.c, 400]
[E 11/19 09:44] yuga: DB_LOGC->get: LSN 1/9776: invalid log record header
[E 11/19 09:44] yuga: Log file corrupt at LSN: [1][9906]
[E 11/19 09:44] yuga: PANIC: Invalid argument
[E 11/19 09:44] [src/io/dbpf-mgmt.c] Rep EventGot a panic: Invalid argument (22)
Edited by: dbnicker on Nov 18, 2010 6:08 PM

First, what version of Berkeley DB are you running and on what system?
The error indicates something amiss in the log. The LSN values are quite
small. Can you run 'db_printlog -N -h <env path>' and post the log
contents?
If you are using BDB 5.0 or later, can you also post the contents of
the __db.rep.diag00 file in the environment home directory? Thanks.
Sue LoVerso
Oracle

EA3500 HDD File corruption

Hello, everyone!
I have recently bought a cisco EA3500 router for my home network and i am pretty surprised to see that a router from the world leader in the networking domain cannot perform as expected.
The first problem i had was that the network (wired and wireless) was dropping from time to time for a couple of minutes with the power led of the router blinking. I turned off the log feature of the router and it seems that until now the problem is resolved.
Now, the second and, at least as annoying as the first, is that i have a 640gb usb hdd connected to the router, formatted NTFS.
It seems that every now and then a file gets corrupted, that is, it is transformed into a folder! And it cannot be recovered without pulling out the hdd and using a 3rd parth software for file recovery.
I have the latest firmware. Should i switch back to the classic firmware instead of the "fancy" new one? I really need my files on that drive, so i cannot risk loosing them in this random manner.
Thank you.

mihai.vasiliu wrote:
I have installed the older, classic firmware. The internet drops seems to have been fixed, but the HDD file corruption still persists! Please help! I lost some important files from my HDD. I cannot believe this is happening on a cisco router.
I quickly learned that the EA3500 does not have the processing power to handle a large disk. This is especially true if there are a large number of files on the disk. Save yourself some aggravation and connect the disk to a 24/7 computer. I no longer use the EA3500 USB port for anything. It was unstable even with a 2 GB thumb drive.
It was Cisco in name only. Now that Cisco has sold Linksys it is just a Linksys router.

Airport 802.11n Disk - File Corruption!

I'm seeing occasional file corruption when using Apple Disk. After copying files to an Apple Disk using a Mac mini via Ethernet, the files are not the same.
myvideo.avi /Volumes/Adonais/Documentary/myvideo.avi differ: char 34439169, line 112648
Copying the file again usually results in a successful copy. Copying to a Samba share on a Linux server is 100% reliable, suggesting it's not a network issue.
I've tried two different USB enclosures with the same results. Both enclosures were problem free when directly connected to the Mac mini. The enclosure is connected to the base station with a Belkin hub.
Mac mini Mac OS X (10.4.9)

I've given up with AirDisk. The file corruption was too serious to ignore. I've plugged the HFS+ disks into the Linux server, mounted them (Linux hfsplus filesystem driver) and shared them using Netatalk. It's not quite as elegant but it's much more reliable.
MacBook Pro Mac OS X (10.4.9)

Flash Crashing - CS6 - File Corrupt

Hi All,
A couple of our users are having issues with Flash Pro CS6. They are having the issue intermittently and are unable to force the issue to occur. Please see below notes for further information.
Any help would be appreciated as we have run out of ideas!
I tried a chat session, however, it seems CS6 is not supported through chat...
Flash Issue Notes
Using Flash Pro v6
Saving files as Flash Pro v5.5
We have tried using four different computers, the latest one is Windows 7 Pro i7 processor 16GB RAM. On a gigabit network connection.
Has error when saving “Unable to save the document as “W:\x\x\test.fla”. Please try saving to a different filename or to a different location.
Upon saving the second time flash crashes and currupts the origional file – the new file is 0kb in size – when opening origional file we get Ünrecognised file format.
When saving again flash crashes and makes the original file corrupt – it is something to do with the DOMDocument.xml in the “Zipped” .fla file.
When repairing the zip file the DOMDocument.xml file is the only one that cannot be recovered.
Error also occurs when working on file from C:\ drive.
Cannot upgrade to Flash CC as we need active script 2
Crash Dump:
Dump Summary
Dump File: FlashPro crash log (3).mdmp : W:\Ricky\new\FlashPro crash log (3).mdmp
Last Write Time: 3/11/2014 11:03:38 AM
Process Name: Flash.exe : C:\Program Files (x86)\Adobe\Adobe Flash CS6\Flash.exe
Process Architecture: x86
Exception Code: 0xC0000005
Exception Information: The thread tried to read from or write to a virtual address for which it does not have the appropriate access.
Heap Information: Not Present
System Information
OS Version: 6.1.7601
CLR Version(s):
Modules
Module Name Module Path Module Version
Flash.exe C:\Program Files (x86)\Adobe\Adobe Flash CS6\Flash.exe 12.0.2.529
ntdll.dll C:\Windows\SysWOW64\ntdll.dll 6.1.7601.18247
kernel32.dll C:\Windows\SysWOW64\kernel32.dll 6.1.7601.18409
KERNELBASE.dll C:\Windows\SysWOW64\KERNELBASE.dll 6.1.7601.18409
advapi32.dll C:\Windows\SysWOW64\advapi32.dll 6.1.7601.18247
msvcrt.dll C:\Windows\SysWOW64\msvcrt.dll 7.0.7601.17744
sechost.dll C:\Windows\SysWOW64\sechost.dll 6.1.7600.16385
rpcrt4.dll C:\Windows\SysWOW64\rpcrt4.dll 6.1.7601.18532
sspicli.dll C:\Windows\SysWOW64\sspicli.dll 6.1.7601.18526
CRYPTBASE.dll C:\Windows\SysWOW64\CRYPTBASE.dll 6.1.7600.16385
gdi32.dll C:\Windows\SysWOW64\gdi32.dll 6.1.7601.18577
user32.dll C:\Windows\SysWOW64\user32.dll 6.1.7601.17514
lpk.dll C:\Windows\SysWOW64\lpk.dll 6.1.7601.18177
usp10.dll C:\Windows\SysWOW64\usp10.dll 1.626.7601.18454
shell32.dll C:\Windows\SysWOW64\shell32.dll 6.1.7601.18517
shlwapi.dll C:\Windows\SysWOW64\shlwapi.dll 6.1.7601.17514
comdlg32.dll C:\Windows\SysWOW64\comdlg32.dll 6.1.7601.17514
comctl32.dll C:\Windows\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_6.0.7601.17514_n one_41e6975e2bd6f2b2\comctl32.dll 6.10.7601.17514
version.dll C:\Windows\System32\version.dll 6.1.7600.16385
winmm.dll C:\Windows\System32\winmm.dll 6.1.7601.17514
avifil32.dll C:\Windows\System32\avifil32.dll 6.1.7601.17514
ole32.dll C:\Windows\SysWOW64\ole32.dll 6.1.7601.17514
msacm32.dll C:\Windows\System32\msacm32.dll 6.1.7600.16385
msvfw32.dll C:\Windows\System32\msvfw32.dll 6.1.7601.17514
psapi.dll C:\Windows\SysWOW64\psapi.dll 6.1.7600.16385
imm32.dll C:\Windows\SysWOW64\imm32.dll 6.1.7601.17514
msctf.dll C:\Windows\SysWOW64\msctf.dll 6.1.7600.16385
ws2_32.dll C:\Windows\SysWOW64\ws2_32.dll 6.1.7601.17514
nsi.dll C:\Windows\SysWOW64\nsi.dll 6.1.7600.16385
PFF.dll C:\Program Files (x86)\Adobe\Adobe Flash CS6\PFF.dll 0.0.0.0
msvcr100.dll C:\Windows\System32\msvcr100.dll 10.0.40219.325
FlashIK.dll C:\Program Files (x86)\Adobe\Adobe Flash CS6\FlashIK.dll 1.0.0.1
dvaadameve.dll C:\Program Files (x86)\Adobe\Adobe Flash CS6\dvaadameve.dll 5.0.0.0
boost_threads.dll C:\Program Files (x86)\Adobe\Adobe Flash CS6\boost_threads.dll 5.0.0.0
boost_date_time.dll C:\Program Files (x86)\Adobe\Adobe Flash CS6\boost_date_time.dll 5.0.0.0
msvcp100.dll C:\Windows\System32\msvcp100.dll 10.0.40219.325
boost_signals.dll C:\Program Files (x86)\Adobe\Adobe Flash CS6\boost_signals.dll 5.0.0.0
boost_system.dll C:\Program Files (x86)\Adobe\Adobe Flash CS6\boost_system.dll 5.0.0.0
dvacore.dll C:\Program Files (x86)\Adobe\Adobe Flash CS6\dvacore.dll 5.0.0.0
oleaut32.dll C:\Windows\SysWOW64\oleaut32.dll 6.1.7601.17676
dvaui.dll C:\Program Files (x86)\Adobe\Adobe Flash CS6\dvaui.dll 5.0.0.0
GdiPlus.dll C:\Windows\winsxs\x86_microsoft.windows.gdiplus_6595b64144ccf1df_1.1.7601.18455_none_72d5 76ad8665e853\GdiPlus.dll 6.1.7601.18455
opengl32.dll C:\Windows\System32\opengl32.dll 6.1.7600.16385
glu32.dll C:\Windows\System32\glu32.dll 6.1.7600.16385
ddraw.dll C:\Windows\System32\ddraw.dll 6.1.7600.16385
dciman32.dll C:\Windows\System32\dciman32.dll 6.1.7601.18177
setupapi.dll C:\Windows\SysWOW64\setupapi.dll 6.1.7601.17514
cfgmgr32.dll C:\Windows\SysWOW64\cfgmgr32.dll 6.1.7601.17621
devobj.dll C:\Windows\SysWOW64\devobj.dll 6.1.7601.17621
dwmapi.dll C:\Windows\System32\dwmapi.dll 6.1.7600.16385
oleacc.dll C:\Windows\System32\oleacc.dll 7.0.0.0
boost_filesystem.dll C:\Program Files (x86)\Adobe\Adobe Flash CS6\boost_filesystem.dll 5.0.0.0
boost_regex.dll C:\Program Files (x86)\Adobe\Adobe Flash CS6\boost_regex.dll 5.0.0.0
dvaunittesting.dll C:\Program Files (x86)\Adobe\Adobe Flash CS6\dvaunittesting.dll 5.0.0.0
ahclient.dll C:\Program Files (x86)\Adobe\Adobe Flash CS6\ahclient.dll 1.7.0.56
wininet.dll C:\Windows\SysWOW64\wininet.dll 11.0.9600.17344
api-ms-win-downlevel-user32-l1-1-0.dll C:\Windows\SysWOW64\api-ms-win-downlevel-user32-l1-1-0.dll 6.2.9200.16492
api-ms-win-downlevel-shlwapi-l1-1-0.dll C:\Windows\SysWOW64\api-ms-win-downlevel-shlwapi-l1-1-0.dll 6.2.9200.16492
api-ms-win-downlevel-version-l1-1-0.dll C:\Windows\SysWOW64\api-ms-win-downlevel-version-l1-1-0.dll 6.2.9200.16492
api-ms-win-downlevel-normaliz-l1-1-0.dll C:\Windows\SysWOW64\api-ms-win-downlevel-normaliz-l1-1-0.dll 6.2.9200.16492
normaliz.dll C:\Windows\SysWOW64\normaliz.dll 6.1.7600.16385
iertutil.dll C:\Windows\SysWOW64\iertutil.dll 11.0.9600.17344
api-ms-win-downlevel-advapi32-l1-1-0.dll C:\Windows\SysWOW64\api-ms-win-downlevel-advapi32-l1-1-0.dll 6.2.9200.16492
userenv.dll C:\Windows\SysWOW64\userenv.dll 6.1.7601.17514
profapi.dll C:\Windows\SysWOW64\profapi.dll 6.1.7600.16385
amtlib.dll C:\Program Files (x86)\Adobe\Adobe Flash CS6\amtlib.dll 6.0.0.93
winhttp.dll C:\Windows\System32\winhttp.dll 6.1.7601.17514
webio.dll C:\Windows\System32\webio.dll 6.1.7601.17725
IPHLPAPI.DLL C:\Windows\System32\IPHLPAPI.DLL 6.1.7601.17514
winnsi.dll C:\Windows\System32\winnsi.dll 6.1.7600.16385
adbeape.dll C:\Program Files (x86)\Adobe\Adobe Flash CS6\adbeape.dll 3.3.8.19346
msvcr90.dll C:\Windows\winsxs\x86_microsoft.vc90.crt_1fc8b3b9a1e18e3b_9.0.30729.6161_none_50934f2ebcb 7eb57\msvcr90.dll 9.0.30729.6161
msvcp90.dll C:\Windows\winsxs\x86_microsoft.vc90.crt_1fc8b3b9a1e18e3b_9.0.30729.6161_none_50934f2ebcb 7eb57\msvcp90.dll 9.0.30729.6161
aflame.dll C:\Program Files (x86)\Adobe\Adobe Flash CS6\aflame.dll 2.3.54.19287
aflamingo.dll C:\Program Files (x86)\Adobe\Adobe Flash CS6\aflamingo.dll 2.3.102.19287
AdobeLinguistic.dll C:\Program Files (x86)\Adobe\Adobe Flash CS6\AdobeLinguistic.dll 6.0.0.17018
ACE.dll C:\Program Files (x86)\Adobe\Adobe Flash CS6\ACE.dll 2.19.18.19822
AGM.dll C:\Program Files (x86)\Adobe\Adobe Flash CS6\AGM.dll 4.26.20.19822
BIB.dll C:\Program Files (x86)\Adobe\Adobe Flash CS6\BIB.dll 1.2.2.19822
CoolType.dll C:\Program Files (x86)\Adobe\Adobe Flash CS6\CoolType.dll 5.10.31.19822
xerces-c_2_6.dll C:\Program Files (x86)\Adobe\Adobe Flash CS6\xerces-c_2_6.dll 2.5.0.0
msvcr80.dll C:\Windows\winsxs\x86_microsoft.vc80.crt_1fc8b3b9a1e18e3b_8.0.50727.6195_none_d09154e0442 72b9a\msvcr80.dll 8.0.50727.6195
Workspace.dll C:\Program Files (x86)\Adobe\Adobe Flash CS6\Workspace.dll 0.0.0.0
AdobeOwl.dll C:\Program Files (x86)\Adobe\Adobe Flash CS6\AdobeOwl.dll 4.0.93.0
mfc100u.dll C:\Windows\System32\mfc100u.dll 10.0.40219.325
msimg32.dll C:\Windows\System32\msimg32.dll 6.1.7600.16385
contextui.dll C:\Program Files (x86)\Adobe\Adobe Flash CS6\contextui.dll 5.0.0.19847
dvaflashview.dll C:\Program Files (x86)\Adobe\Adobe Flash CS6\dvaflashview.dll 5.0.0.0
AlcidDLL.dll C:\Program Files (x86)\Adobe\Adobe Flash CS6\AlcidDLL.dll 0.0.0.0
LogSession.dll C:\Program Files (x86)\Adobe\Adobe Flash CS6\LogSession.dll 2.1.2.1640
urlmon.dll C:\Windows\SysWOW64\urlmon.dll 11.0.9600.17344
api-ms-win-downlevel-ole32-l1-1-0.dll C:\Windows\SysWOW64\api-ms-win-downlevel-ole32-l1-1-0.dll 6.2.9200.16492
dbghelp.dll C:\Windows\System32\dbghelp.dll 6.1.7601.17514
uxtheme.dll C:\Windows\System32\uxtheme.dll 6.1.7600.16385
MFC100ENU.DLL C:\Windows\System32\MFC100ENU.DLL 10.0.40219.325
FlashResources.dll C:\Program Files (x86)\Adobe\Adobe Flash CS6\en_US\Configuration\FlashResources.dll 12.0.2.529
winspool.drv C:\Windows\System32\winspool.drv 6.1.7601.17514
oledlg.dll C:\Windows\System32\oledlg.dll 6.1.7600.16385
clbcatq.dll C:\Windows\SysWOW64\clbcatq.dll 2001.12.8530.16385
msxml3.dll C:\Windows\System32\msxml3.dll 8.110.7601.18431
dsound.dll C:\Windows\System32\dsound.dll 6.1.7600.16385
powrprof.dll C:\Windows\System32\powrprof.dll 6.1.7600.16385
mlang.dll C:\Windows\System32\mlang.dll 6.1.7600.16385
WindowsCodecs.dll C:\Windows\System32\WindowsCodecs.dll 6.2.9200.16809
adbeapecore.dll C:\Program Files (x86)\Common Files\Adobe\APE\3.3\adbeapecore.dll 3.3.8.19346
propsys.dll C:\Windows\System32\propsys.dll 7.0.7601.17514
apphelp.dll C:\Windows\System32\apphelp.dll 6.1.7601.17514
ntshrui.dll C:\Windows\System32\ntshrui.dll 6.1.7601.17755
srvcli.dll C:\Windows\System32\srvcli.dll 6.1.7601.17514
cscapi.dll C:\Windows\System32\cscapi.dll 6.1.7601.17514
slc.dll C:\Windows\System32\slc.dll 6.1.7600.16385
cryptsp.dll C:\Windows\System32\cryptsp.dll 6.1.7601.18526
rsaenh.dll C:\Windows\System32\rsaenh.dll 6.1.7600.16385
RpcRtRemote.dll C:\Windows\System32\RpcRtRemote.dll 6.1.7601.17514
BIBUtils.dll C:\Program Files (x86)\Adobe\Adobe Flash CS6\BIBUtils.dll 1.1.1.1
ARE.dll C:\Program Files (x86)\Adobe\Adobe Flash CS6\ARE.dll 1.5.2.19822
MPS.dll C:\Program Files (x86)\Adobe\Adobe Flash CS6\MPS.dll 5.8.0.19673
wbemcomn.dll C:\Windows\System32\wbemcomn.dll 6.1.7601.17514
fastprox.dll C:\Windows\System32\wbem\fastprox.dll 6.1.7601.17514
ntdsapi.dll C:\Windows\System32\ntdsapi.dll 6.1.7600.16385
ntmarta.dll C:\Windows\System32\ntmarta.dll 6.1.7600.16385
Wldap32.dll C:\Windows\SysWOW64\Wldap32.dll 6.1.7601.17514
AXE8SharedExpat.dll C:\Program Files (x86)\Adobe\Adobe Flash CS6\AXE8SharedExpat.dll 3.7.101.18636
WRLiloPlugin.dll C:\Program Files (x86)\Common Files\Adobe\Linguistics\6.0\Providers\Plugins2\WRLiloPlugin1.3\WRLiloPlugin.dll 1.3.0.9
FileInfo.dll C:\Program Files (x86)\Adobe\Adobe Flash CS6\FileInfo.dll 5.3.3.19230
AdobeXMP.dll C:\Program Files (x86)\Adobe\Adobe Flash CS6\AdobeXMP.dll 5.3.11.19494
AdobePDFL.dll C:\Program Files (x86)\Adobe\Adobe Flash CS6\AdobePDFL.dll 10.0.1.18562
JP2KLib.dll C:\Program Files (x86)\Adobe\Adobe Flash CS6\JP2KLib.dll 2.0.0.18562
mpr.dll C:\Windows\System32\mpr.dll 6.1.7600.16385
updaternotifications.dll C:\Program Files (x86)\Adobe\Adobe Flash CS6\updaternotifications.dll 6.0.0.24
netapi32.dll C:\Windows\System32\netapi32.dll 6.1.7601.17887
netutils.dll C:\Windows\System32\netutils.dll 6.1.7601.17514
wkscli.dll C:\Windows\System32\wkscli.dll 6.1.7601.17514
pdfport.dll C:\Program Files (x86)\Adobe\Adobe Flash CS6\pdfport.dll 2.1.0.19734
atmlib.dll C:\Windows\System32\atmlib.dll 5.1.2.238
api-ms-win-downlevel-shlwapi-l2-1-0.dll C:\Windows\System32\api-ms-win-downlevel-shlwapi-l2-1-0.dll 6.2.9200.16492
wtsapi32.dll C:\Windows\System32\wtsapi32.dll 6.1.7601.17514
winsta.dll C:\Windows\System32\winsta.dll 6.1.7601.18540
EhStorShell.dll C:\Windows\System32\EhStorShell.dll 6.1.7600.16385
PlugPlug.dll C:\Program Files (x86)\Adobe\Adobe Flash CS6\PlugPlug.dll 3.0.0.383
ServiceManager-Launcher.dll C:\Program Files (x86)\Common Files\Adobe\CS6ServiceManager\lib\ServiceManager-Launcher.dll 3.0.0.389
secur32.dll C:\Windows\System32\secur32.dll 6.1.7601.18526
api-ms-win-downlevel-advapi32-l2-1-0.dll C:\Windows\System32\api-ms-win-downlevel-advapi32-l2-1-0.dll 6.2.9200.16492
drprov.dll C:\Windows\System32\drprov.dll 6.1.7600.16385
ntlanman.dll C:\Windows\System32\ntlanman.dll 6.1.7601.17514
davclnt.dll C:\Windows\System32\davclnt.dll 6.1.7601.18201
davhlpr.dll C:\Windows\System32\davhlpr.dll 6.1.7600.16385
EnvBrush.dll C:\Program Files (x86)\Adobe\Adobe Flash CS6\Common\Configuration\External Libraries\EnvBrush.dll 0.0.0.0
EnvCollision.dll C:\Program Files (x86)\Adobe\Adobe Flash CS6\Common\Configuration\External Libraries\EnvCollision.dll 0.0.0.0
EnvPointGrid.dll C:\Program Files (x86)\Adobe\Adobe Flash CS6\Common\Configuration\External Libraries\EnvPointGrid.dll 0.0.0.0
EnvStroke.dll C:\Program Files (x86)\Adobe\Adobe Flash CS6\Common\Configuration\External Libraries\EnvStroke.dll 0.0.0.0
FLBridge.dll C:\Program Files (x86)\Adobe\Adobe Flash CS6\Common\Configuration\External Libraries\FLBridge.dll 9.0.0.0
FLfile.dll C:\Program Files (x86)\Adobe\Adobe Flash CS6\Common\Configuration\External Libraries\FLfile.dll 9.0.0.0
Air_Android.dll C:\Program Files (x86)\Adobe\Adobe Flash CS6\en_US\Configuration\External Libraries\Air_Android.dll 11.5.0.0
Air_Desktop_iOS.dll C:\Program Files (x86)\Adobe\Adobe Flash CS6\en_US\Configuration\External Libraries\Air_Desktop_iOS.dll 11.5.0.0
jvm.dll C:\Program Files (x86)\Common Files\Adobe\Adobe Flash CS6\jre\bin\client\jvm.dll 20.1.0.2
msvcr71.dll C:\Program Files (x86)\Common Files\Adobe\Adobe Flash CS6\jre\bin\msvcr71.dll 7.10.3052.4
verify.dll C:\Program Files (x86)\Common Files\Adobe\Adobe Flash CS6\jre\bin\verify.dll 6.0.260.3
java.dll C:\Program Files (x86)\Common Files\Adobe\Adobe Flash CS6\jre\bin\java.dll 6.0.260.3
zip.dll C:\Program Files (x86)\Common Files\Adobe\Adobe Flash CS6\jre\bin\zip.dll 6.0.260.3
adobe_caps.dll C:\Program Files (x86)\Adobe\Adobe Flash CS6\adobe_caps.dll 6.0.29.0
crypt32.dll C:\Windows\SysWOW64\crypt32.dll 6.1.7601.18526
msasn1.dll C:\Windows\SysWOW64\msasn1.dll 6.1.7601.17514
MMDevAPI.dll C:\Windows\System32\MMDevAPI.dll 6.1.7601.17514
wdmaud.drv C:\Windows\System32\wdmaud.drv 6.1.7601.17514
ksuser.dll C:\Windows\System32\ksuser.dll 6.1.7600.16385
avrt.dll C:\Windows\System32\avrt.dll 6.1.7600.16385
AudioSes.dll C:\Windows\System32\AudioSes.dll 6.1.7601.18526
msacm32.drv C:\Windows\System32\msacm32.drv 6.1.7600.16385
midimap.dll C:\Windows\System32\midimap.dll 6.1.7600.16385
credssp.dll C:\Windows\System32\credssp.dll 6.1.7601.18540
schannel.dll C:\Windows\SysWOW64\schannel.dll 6.1.7601.18489
ieframe.dll C:\Windows\SysWOW64\ieframe.dll 11.0.9600.17351
api-ms-win-downlevel-shell32-l1-1-0.dll C:\Windows\SysWOW64\api-ms-win-downlevel-shell32-l1-1-0.dll 6.2.9200.16492
duser.dll C:\Windows\System32\duser.dll 6.1.7600.16385
dui70.dll C:\Windows\System32\dui70.dll 6.1.7600.16385
msls31.dll C:\Windows\System32\msls31.dll 3.10.349.0
xmllite.dll C:\Windows\System32\xmllite.dll 1.3.1001.0
StructuredQuery.dll C:\Windows\System32\StructuredQuery.dll 7.0.7601.17514
thumbcache.dll C:\Windows\SysWOW64\thumbcache.dll 6.1.7601.17514
shdocvw.dll C:\Windows\System32\shdocvw.dll 6.1.7601.18222
linkinfo.dll C:\Windows\System32\linkinfo.dll 6.1.7600.16385
NetworkExplorer.dll C:\Windows\System32\NetworkExplorer.dll 6.1.7601.17514

reset your preferences, FAQ: How do I reset Flash professional to default configurations and preferences?
if that fails to fix the problem, start your computer in safe mode and see if the problem occurs.
if it does, update windows.
if it does not, you have some non-windows program causing the problem.

Canon 7D Imported Files Corrupted.

Every now and them when I import files created with a Canon 7D they show up as corrupted in Lightroom.
I can read and process the files using Canon's Digital Photo Professional. The last time this happened
I deleted the files from the LR catalog then re-imported them and they were ok. This time that does not
seem to be working. I've tried to import the files from two different hard drives. The files were copied
directly from the card to the two hard drives.
I've used digestIT to calculate the MD5 Hash of the files files on the card and after copying them to the
hard drives. The hashes are the same so I'm assuming that the file copy did not corrupt the files.
I've also import the files directly from the card. When I did this only two of the files showed up
as corrupted.
Finally I import the files using the same card and card reader using my laptop. Every thing works, no
file corruption. The laptop is running Windows 7 Home Premium 32 bit and LR 3.3 32 bit.
Any ideas of what may be causing this problem? How do I fix it?
System details:
LR: 3.3 64 bit
OS: Windows 7 Home Premium 64 bit.
Canon 7D: Firmware 1.0.9
LR Cat: New catalog create with LR 3.3 64 bit.
Below are images of what the files look like in LR and DPP. The last images is what happened
when I imported the files directly from the card.
Thanks

martin-s and DdeGannes thanks.
I think I have a better handle on what's happening. I think my storage device is the problem. I guess it could still be
the memory but I would expect the system to be unstable if this were the case.
I imported another set of photos today from a different card. Sure enough one of the files showed up as corrupted in LR. I then
did the following:
1. Attempted to open the file using DPP. The file also showed up as corrupted.
2. Checked the MD5 hash of the file on the drobo against the file on the card. The hashes were different.
     This means that the file copy was bad.
3. Removed the file from the LH catalog.
4. Deleted the file from the storage device.
5. Copied it from the card.
6. Check the hashes to make sure the copy was good.
7. Imported the file into LR.   The preview JPG still showed up as corrupted.
8. I then attempted to open the file in the develop module. It opened ok. Made some adjustments
   then when back to the library module and the preview JPG now looked fine.
I guess removing an images from the catalog does not remove the preview JPG from the catalog. Which
means that if the image is added back to the catalog the old LR generated preview may get reused.

Facebook file Corruption

I tried to syncronize my contacts with my facebook account, shortly after i downloaded opera mobile and facebook chat. Now i can no longer edit my contacts as it says file corrupted and also my opera mobile and facebook doesnt connect online. help! Nokia E5

thank you.
But this :
Oracle Error: ORA-00227
Error Description:
Corrupt block detected in control file: (block string, # blocks string)
Error Cause:
A block header corruption or checksum error was detected on reading the control file.
Action:
Use the CREATE CONTROLFILE or RECOVER DATABASE USING BACKUP CONTROLFILE command.does-it say if it is physical or logical ?

USB causing file corruption?

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