Intel iMac locks / freeze when importing

I have an Intel core 2 duo iMac, 24", 3.06GHz with 4GB of ram. A NVIDEA GeForce 8800 GS video chips. Running 10.6.1, but this was a problem in 10.5.x as well, just not as bad.
When I import photos, the import process locks up lightroom, then evenually the whole computer and I am forced to reboot. I have tried RAW and .jpeg files. I have imported from the hard drive as well as from the SD card. I have tried with photos from my camera, and scans of photos as jpegs. This does not happen all the time, but now it happens most of the time and it can take me 3 or 4 tries before importing any pictures. I have tried one photo to many folders of photos -- same result.
Any help or thoughts of things to try would be greatly appreciated.

Try optimizing the catalog under LR, Catalog settings. If no joy, delete Preferences, and if still no joy, try renaming your Previews file to force build a new one.

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Imac keeps freezing when using safari

my imac keeps freezing when using safari or finder
The beachball appears and I have to wait.
My safari cache is emptied, have run Disk Utility to check permissions.
Rebooted various times.
Sorted out ``the community toolbar not supported" issue and still it's happening.
Anyone any tips on what to do next??
It's a 24 inch iMac - early 2009 version
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Memory 4GB 1067 MHz DDR3
Software is OS X 10.8.2 (12C60)

I have only been able to read your reply by going online on my phone -
I started up my iMac in safe mode on Saturday morning and reran Disk Utility , no problems.
I shut it down and re started it as normal. Whilst I was able to use my Mail and MS entourage and Safari brower,
the computer was very slow and the beachball appeared briefly each time I used a program.
On Monday , it didn't recognise one of the printers and was continually hanging.
All software is up to date and I have run Disk Utility - repair permissions again.
I shut the computer down yesterday and rebooted in Safe mode this afternoon so that I could try to look in
Console.
There are 4001 messages (11-02 to 13-02)
I have only included some of the most recent
13/02/2013 15:59:33.000 kernel[0]: disk0s2: I/O error.
13/02/2013 15:59:33.350 AddressBookSync[296]: [0x7feff941fd50] |ISDException|Error| *** SyncServices Exception
Type                 : ISyncDataDirectoryCorruptedException
Reason               : Detected database corruption: 5 (Input/output error)
Filesystem Reason : Input/output error
Database Path        : */Library/Application Support/SyncServices/Local/clientdata/633a1ba25cb8241bbde44acb603ee1e822cde772/ data.syncdb
Database Access Mode : Read Write
Open SQLite Files    :
          */Library/Application Support/SyncServices/Local/clientdata/633a1ba25cb8241bbde44acb603ee1e822cde772/ recordids.synciddb
          */Library/Application Support/SyncServices/Local/clientdata/633a1ba25cb8241bbde44acb603ee1e822cde772/ constructedids.synciddb
          */Library/Application Support/SyncServices/Local/clientdata/633a1ba25cb8241bbde44acb603ee1e822cde772/ data.syncdb
Stack Trace          :
0   SyncServices                        0x000000010343222c _ISDSQLiteBlowOut + 1107
1   SyncServices                        0x0000000103431dc5 _ISDSQliteFullIOErrCorruptionHandler + 821
2   SyncServices                        0x0000000103399dcc -[ISDDatabase(SqliteHelpers) stepStatement:] + 238
3   SyncServices                        0x00000001033a1cb0 -[ISDDatabase(SqliteHelpers) runStatement:withBoundObjects:startingAtIndex:callback:context:] + 376
4   SyncServices                        0x00000001033a23fe -[ISDDataDatabase updateRelationshipsForRecordsInDictionary:withRecordIds:stringTable:constructRe lationshipMap:] + 182
5   SyncServices                        0x000000010339f95c -[ISDDataDatabase createDictionaryAndArray:withRecordsWithIdentifiers:constructRelationshipMap:] + 334
6   SyncServices                        0x000000010339f6b3 -[ISDRecordStore createDictionaryWithRecordsWithIdentifiers:constructRelationshipMap:] + 69
7   SyncServices                        0x00000001033c6dbf -[ISyncConcreteSession _newDictionaryWithRecordsPushedByClient] + 249
8   SyncServices                        0x00000001033c6815 -[ISyncConcreteSession _processModifiedRecords] + 161
9   SyncServices                        0x00000001033c6515 -[ISyncConcreteSession _processPushedStuff] + 488
10 SyncServices                        0x00000001033c5f28 -[ISyncConcreteSession _leavePushing] + 80
11 SyncServices                        0x00000001033c2380 -[ISyncConcreteSession _transitionStateMachine:] + 339
12 SyncServices                        0x00000001033c37f7 -[ISyncConcreteSession _prepareToPullChangesForEntityNames:inBackground:target:selector:] + 232
13 SyncServices                        0x00000001033c36c9 -[ISyncConcreteSession prepareToPullChangesForEntityNames:beforeDate:] + 37
14 AddressBookSync                     0x00000001015b2d6d AddressBookSync + 23917
15 AddressBookSync                     0x00000001015b1fea AddressBookSync + 20458
16 AddressBookSync                     0x00000001015b1ab5 AddressBookSync + 19125
17 AddressBookSync                     0x00000001015b9454 AddressBookSync + 50260
18 libdyld.dylib                       0x00000001048157e1 start + 0
13/02/2013 15:59:33.353 WindowServer[113]: reenable_update_for_connection: UI updates were finally reenabled by application "Microsoft Entourage" after 104.98 seconds (server forcibly re-enabled them after 1.00 seconds)
13/02/2013 15:59:33.420 AddressBookSync[296]: [0x7feff941fd50] |ISDException|Error| *** SyncServices Exception
Type                 : ISDSQLiteStatementExecutionException
Reason               : error executing 'rollback transaction;': 1 (cannot rollback - no transaction is active)
Filesystem Reason : Input/output error
Database Path        : */Library/Application Support/SyncServices/Local/clientdata/633a1ba25cb8241bbde44acb603ee1e822cde772/ data.syncdb
Database Access Mode : Read Write
Open SQLite Files    :
          */Library/Application Support/SyncServices/Local/clientdata/633a1ba25cb8241bbde44acb603ee1e822cde772/ recordids.synciddb
          */Library/Application Support/SyncServices/Local/clientdata/633a1ba25cb8241bbde44acb603ee1e822cde772/ constructedids.synciddb
          */Library/Application Support/SyncServices/Local/clientdata/633a1ba25cb8241bbde44acb603ee1e822cde772/ data.syncdb
Stack Trace          :
0   SyncServices                        0x000000010343222c _ISDSQLiteBlowOut + 1107
1   SyncServices                        0x0000000103394818 sqliteExecuteWithCallbackAndOptions + 660
2   SyncServices                        0x0000000103394559 -[ISDDatabase(SqliteHelpers) execute:] + 207
3   SyncServices                        0x0000000103440451 -[ISDRecordStore rollbackChanges] + 57
4   SyncServices                        0x00000001033c5f0f -[ISyncConcreteSession _leavePushing] + 55
5   SyncServices                        0x00000001033c2380 -[ISyncConcreteSession _transitionStateMachine:] + 339
6   SyncServices                        0x00000001033c6680 -[ISyncConcreteSession _processPushedStuff] + 851
7   SyncServices                        0x00000001033c5f28 -[ISyncConcreteSession _leavePushing] + 80
8   SyncServices                        0x00000001033c2380 -[ISyncConcreteSession _transitionStateMachine:] + 339
9   SyncServices                        0x00000001033c37f7 -[ISyncConcreteSession _prepareToPullChangesForEntityNames:inBackground:target:selector:] + 232
10 SyncServices                        0x00000001033c36c9 -[ISyncConcreteSession prepareToPullChangesForEntityNames:beforeDate:] + 37
11 AddressBookSync                     0x00000001015b2d6d AddressBookSync + 23917
12 AddressBookSync                     0x00000001015b1fea AddressBookSync + 20458
13 AddressBookSync                     0x00000001015b1ab5 AddressBookSync + 19125
14 AddressBookSync                     0x00000001015b9454 AddressBookSync + 50260
15 libdyld.dylib                       0x00000001048157e1 start + 0
13/02/2013 15:59:33.730 Microsoft Sync Services[293]: Warning: NSBundle NSBundle </Users/name/Library/Sync Services/Schemas/MicrosoftOfficeNotes.syncschema> (not yet loaded) was released too many times. For compatibility, it will not be deallocated, but this may change in the future. Set a breakpoint on __NSBundleOverreleased() to debug
13/02/2013 16:00:04.327 mds[35]: (Error) Server: Disabled store registered for scope "/Library/Application Support/Apple/Fonts"
13/02/2013 16:03:25.062 WebProcess[306]: CoreAnimation: failed to create OpenGL context
13/02/2013 16:08:21.427 WebProcess[306]: CoreAnimation: unhandled combiner function: 11
13/02/2013 16:18:13.087 WindowServer[113]: Resampling logo assets. This should be considered a bug. (height = 21)
13/02/2013 16:19:26.633 com.apple.backupd[329]: Starting automatic backup
13/02/2013 16:19:27.269 com.apple.backupd[329]: Attempting to mount network destination URL: afp://name;[email protected]/Data
13/02/2013 16:19:27.797 com.apple.kextd[11]: Can't load /System/Library/Filesystems/AppleShare/afpfs.kext - dependencies not elibible during safe boot.
13/02/2013 16:19:27.807 com.apple.backupd[329]: NAConnectToServerSync failed with error: 22 for url: afp://name;[email protected]/Data
13/02/2013 16:19:28.030 com.apple.backupd[329]: Backup failed with error: 19
13/02/2013 16:21:16.867 universalaccessd[335]: CGSGetZoomParameters: Invalid connection
13/02/2013 16:21:16.867 universalaccessd[335]: CGSSetZoomParameters: Invalid connection
13/02/2013 16:21:16.867 universalaccessd[335]: CGSSetZoomParameters: Invalid connection
13/02/2013 16:21:43.190 Finder[184]: *** WARNING: -[NSImage compositeToPoint:operation:fraction:] is deprecated in MacOSX 10.8 and later. Please use -[NSImage drawAtPoint:fromRect:operation:fraction:] instead.
13/02/2013 16:21:43.191 Finder[184]: *** WARNING: -[NSImage compositeToPoint:fromRect:operation:fraction:] is deprecated in MacOSX 10.8 and later. Please use -[NSImage drawAtPoint:fromRect:operation:fraction:] instead.
13/02/2013 16:25:39.096 universalaccessd[339]: CGSGetZoomParameters: Invalid connection
13/02/2013 16:25:39.096 universalaccessd[339]: CGSSetZoomParameters: Invalid connection
13/02/2013 16:25:39.096 universalaccessd[339]: CGSSetZoomParameters: Invalid connection
Hope this gives some info so that the problem can be resolved and I can use my computer without further issuses.

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http://www.macmaps.com/backup.html
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b noir,
I also have had this same issue. In reading your reply, I've also saved my CD diagnostics....they are included below. I'm fairly convinced that my problem lies in the drive. It is causing WM Player to lockup as well. Please help....thanks.
Microsoft Windows XP Home Edition Service Pack 2 (Build 2600)
Dell Computer Corporation Dimension 2400
iTunes 7.1.1.5
CD Driver 2.0.6.1
CD Driver DLL 2.0.6.2
LowerFilters: drvmcdb (1.0.0.1), sscdbhk5 (1.0.0.1), MxlW2k (1.1.0.116),
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Connected Device Information:
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Track 2, start time 04:01:32
Track 3, start time 08:56:45
Track 4, start time 13:32:07
Track 5, start time 18:49:72
Track 6, start time 23:07:20
Track 7, start time 27:44:12
Track 8, start time 32:09:62
Track 9, start time 36:09:72
Track 10, start time 41:17:72
Track 11, start time 45:47:67
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E: SAMSUNG CD-R/RW SW-252S, Rev R901
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Dell Windows XP

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After iPhoto '08 7.1.5 (378) update,
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Same try with new libraries, also with a second user, also after various reboots and with preference panes additional software limitations.
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TIA

Tkx Terence,
but it doesn't comes from the hardware.
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Try:
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Reset iOS device: Hold down the On/Off button and the Home button at the same time for at
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iTunes isn't an editor. You need an app that's intended for editing audio files, like Adobe Audition (http://www.adobe.com/products/audition.html) or Audacity (free in the App Store).

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Hi zmajwa and welcome to the community
Please review the Posting Guidelines. You may do that by
clicking
here. Why? Because at this point, you have made exactly two
posts. You have asked the same question in two different places and
it is frowned upon here as it creates confusion and more work for
all involved.
The original thread can be viewed by
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here.
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You might want to post that here.
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Late-2009 iMac elusive freezing when uploading video

Hey All,
So I am currently experiencing a freezing problem when I try to upload youTube videos through firefox and/or safari after... a checkered past. Hopefully this isn't TMI, just being thurough to save your valuable effort.
iMac Details:
21.5-inch, Late 2009
3.06 GHz Intel Core 2 Duo
4 GB 1067 MHZ DDR3
ATI Radeon HD 4670 256 MB
OS X 10.8.5 (12F45)
I am using bootCamp with windows 7
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Funny part is when I was exporting a video from iMovie while simultaniously mixing tracks on virtualDJ while playing a youtube video, everything was fine. Now the history...
1. Trouble started when I was getting the 'click of death' and the 'beach ball of death' seemingly at random while running various apps one at a time.
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So, a few questions...
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     3. Why do I still get freezes while uploading video even tho when I try to max out my memory usage everything runs fine, no freezing?
     4. Is my hardrive messed even tho it passes checks when I'm booted to an external recovery drive?
     5. Is Apple trying to tell me they want more of the money I don't have anymore because I bought this thing 5 years ago?
Ya'll are heros for even trying. You knew that. I'm just reminding you.

So, I've been attempting to solve the issue by using diskUtility to erase free space on my mac and bootcamp partitions to identify bad drive sectors. Unfortunately erasesing free space did not work after defrag on the bootcamp partition. It simply crashed.
Intitally on the OS X partition I did successfully erase free space and that improved all problems for about 3 days. Then freezes became random and increased in regularity. So I moved about 500GB of data to an external drive (the important stuff) and tried to erase free space again to make it identify bad sectors. So I've tried both booting into my external and recovery drive and having the utility erase free space. Both atempts failed when the utility simply gave up after 2hrs and would no longer recognize the drive. I'm booted into my mac partition right now and am gettimg more random freezing with 2/3 of the drive free.
I'm resigned to claiming warranty and replacing the drive after upgrading it about 2yrs ago but can't find any real info on what my model and serial number are. All info that I've found does not seem to direct me to the correct information as I've tried entering it into Seagate's website and it will not accept my input. Any advice on claiming on my Seagate warranty and possibly what the model and serial number should look like? I can't seem to find the right numbers.

Intel iMac locks / freeze when importing

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