Secure Empty Trash is RAM-hog, or something...

All I want to do is secure empty trash some files larger than 700 MBs and when I do this, everything lags. I open activity monitor (slowly) and cpu is at 100 %. I try to stop the secure empty trash. nothing. So I relaunch Finder, secure empty trash again, again cpu at 100 %. Anyone had this problem?

secure empty trash works by overwriting the existing data 7 times in addition to unlinking it. this does seem to occupy the CPU quite heavily on my computer. also doing it with a 700MB file will take A LONG time. I would stay away from it unless there is an extremely compelling reason to use it.
Message was edited by: V.K.

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Secure Empty Trash reports wrong number of files

Something that's been bugging me since even before OS 10.6: when I use Secure Empty Trash, the progress box always shows exactly 9 more files to be deleted than there are in the Trash (but counts down to 0 normally). Any idea what's up with that? All I can come up with is (a) it's intentional, and 9 fake files are created and then overwritten, as some sort of additional security (in which case, why 9?), or (b) there are 9 files in a .Trashes directory somewhere which cannot be deleted due to some extended attribute (in which case why no error message or notification?).
Has anyone seen this? Ideas?

In addition to your Home/Trash folder, there is a hidden .Trash folder at the top level of your hard drive, and also hidden .Trashes folders on each of your external drives, each containing a subfolder for every user account on your Mac. Even if they are all empty, the hidden folders themselves are all deleted when you Secure Empty, which accounts for the increased number of items that are being reported.

Why does SECURE EMPTY TRASH take so long (several days)?

I am using OS 10.3.9. I didn't empty the trash for quite a while, and several days ago clicked SECURE EMPTY TRASH. The emptying process began but has not finished even now! Does it take THAT much longer when one uses SECURE EMPTY TRASH? I see that the little message window for Trash says:
Item to delete: 114,158 This number hasn't gone down now for several minutes.
Several times I have stopped the Empty Trash process to shut the computer down or just because I wanted to stop it, but it seem to me that after "Emptying the Trash" has been going on for so long, it ought to be finished by now. I welcome any sunlight you can shed on this. Thank you.
— Lorna in Southern California

When you choose to Secure Empty Trash, the system
must overwrite the area where those items area a
minimum of 7 times for it to be considered secure.
When you have that many files in the Trash, this can
take quite some time.
So, unless you have something that is confidential in
the Trash, your best option is to Empty Trash
normally.
Mulder
If my answer helped solve your problem, please
consider awarding some points. Why
Reward Points?
OK, and thank you. You have answered my question; I now won't be worrying that something is awfy. The Secure Empty Trash is still emptying and it is down to about 77,000 items. I have clicked the YES, MY QUESTION HAS BEEN ANSWERED button and I appreciate your reassurance.
— Lorna in Southern California

Secure Empty Trash difficulties

Anyone have a guess why Secure Empty Trash has stopped working in my Admin account, yet still works perfectly in the other four standard user accounts on the family Mac?
In my Admin account, starting a Secure Empty gives me the progress bar which just hangs there...forever. The hard drive is crunching away like crazy but the progress bar barely moves. Eventually, it will empty. But we're talking something on the order of 15 minutes or more to delete no more than 4 files. The size of the files seems not to matter. It will take aeons to secure delete 200k as well as 2M. The crunching of the HD is very concerning.
I've searched this board and found very little to go on. Any help will be greatly appreciated.
Thanks,
JimC
G5 dual 2G Mac OS X (10.3.9)

JimC,
Perhaps Solving Trash Problems, by Dr. Smoke may provide some clues for eliminating your difficulties.
;~)

Secure Empty Trash doesn't work

Working in Mavericks on an iMac 27. Secure Empty Trash starts but disappears and nothing is deleted. Is it safe to use Erase Free Space in Disk Utility?

danimal303 wrote:
So it won't help me at all. I don't quite see any use for it, a good reason not to use it. But I have some 560 000 files in Trash and they won't budge.
When you delete a file (without Secure Empty Trash), all the data of the file still exists on the file system free list. It will remain there until the file system reuses the space. Erase Free Space is a way to address this, after files have been deleted.
It is only really useful as a once in a while event, such as someone forgot to use Secure Empty Trash for a file with sensitive data. And Secure Empty Trash is very time consuming, and worse it is if you have an SSD, this wears out the SSD faster.
A better approach is to use FileVault so that a deleted file is instantly securely deleted because it was always encrypted.
Since you are attempting to use Secure Empty Trash, then I would try this from the command line using the 'srm' command. "man srm"
srm -f -r -v ~/.Trash/*
The srm command will perform a secure erase. The -f will keep it from prompting for approval. The -r will recurse through and directories of files in the trash. The -v will display the progress while deleting so you can see how things are going, and have an idea of how much progress you are making.
Be very careful with srm, as if you point it at the wrong directory it could delete something you care about, or a lot of somethings.
If there are files that srm -f will not delete, then you bring out the sudo command. But be VERY CAREFUL with sudo, as you can delete a lot more than just a few files you care about.
sudo srm -f -r -v ~/.Trash/*
Password: you enter your account's password here, assuming you are the admin of the Mac.

"Secure Empty Trash" Didn't Clear Space on HD

How can I reallly clear the space formerly occupied by BackUp files?
When I used "Secure Empty Trash" after putting lots of BackUp files in the Trash, there was no change in the amount of available HD space. I have about 10GB of applications and files on a 60GB HD, so there should be about 45 GB of free space, but there's only 4 GB available.
FWIW, I've Repaired Permissions (only a few were necessary) and Restarted to no avail. I've used "Secure Empty Trash" to remove another file, and it worked just fine!
So how can I clear the part of my HD that I asssume is written with random 0s and 1s left by "Secure Empty Trash", not real files?

John:
Thanks for hanging in there with me! As you knew it would, WhatSize worked.
It identified the old Backup files (that the Finder didn't) and transferred them to the Trash. I used Secure Empty Trash delete them. This time it worked correctly and I have space for Backups again, thank-you very much!
If you have any idea why it didn't work the first time, I'd appreciate knowing it. I've never used it before, so I don't know if it has a repuitation for being buggy or otherwise problematic.
The name "WhatSize" was a little misleading.... I initially thought it would just do what the Finder's View > Show View Options > Calculate all sizes command does. Some of the comments on the Version Tracker site supported that idea, so as the stubborn Dutchman that I am was reluctant to do something that might make matters worse.
I also never considered the possibility that using Secure Empty Trash (as I had) would convert files into hidden files..... especially since I've never had such an experience in uising standard Empty Trash in 25+ years of Apple II and Mac use.
As you expected, I have learned that lots of HD space is devoted to hidden files (that once were visible in the "old days", if I'm not mistaken).
In any case, I very much appreciate your wisdom and willingness to keep replying when I didn't take your suggestion! Thanks!
Cheers!!
Dick

Secure Empty Trash vs Empty Trash, Hangs and Advanced Finder Pref.

I've had my intel-based iMac for a couple of weeks and I've been getting a frequent hanging trash problem that causes me to restart my Mac far too often. Restarting the iMac fixes it but I don't know what the problem is to begin with. It seems to happen when I have over 10MB in the trash and I choose "Secure Empty Trash."
While I'm on the topic of "Secure Empty Trash," won't "Empty Trash" do the same thing SECURELY since I've previously checked it off in my Finder Preferences? Is the "double selection" of secure empty trash part of the problem (i.e. selecting it when I go to empty the trash as well as having it selected in my finder preferences)? Any and all help is appreciated.

Yes it's the same if you choose Secure Empty Trash from the Finder or if you have it selected in the Finder advanced preferences. The thing is electing to Secure Empty the trash may take a lot longer to empty because it does either a 7 pass or 35 pass write over the files and that can take a long time to do for large files.
As a test it took me just over 3 minutes to Secure Empty a 175MB file.
Something you should do though seeing as you've had to forcefully shut down your iMac a few times is Run Disk Utilities. Open up Applications/Utilities/Disk Utility select your hard drive on the left and under the First Aid tab click on Repair Disk Permissions then Verify Disk.
George

I clicked on secure empty trash and just lost about 40GB of disk space...

I had something in my trash that wouldnt delete when I clicked Empty Trash because it said it was in use.
I looked up on here on noticed people said just to click on Secure Empty Trash when i did that.
The Secure Empty Trash was starting to freeze up half way so I just clicked on cancel.
I then looked at my Hard Drive space and noticed that I went from 180GB to 140GB.
Can anyone help?

Try this to find your missing space...
OmniDiskSweeper...
http://www.omnigroup.com/applications/omnidisksweeper/download/

EmptyTrash & Secure empty Trash

I recently purchased/downloaded a(non Apple) Application from its manufacturer. After installation and a few days working with same , I began to think that perhaps the download was in some way corrupt....mainly due to freeze up and a few functions not working properly.
I subsequently received the Application CD in post so decided to TRASH the download and re-install from CD.
This worked fine ...except that all of my original settings and preferences were on the newly installed S'ware.....in fact everything was exactly the same..so I repeated the process, with exactly the same result, so as far as I could gather the CD had not really installed at all, but the original download(in trash) had re-installed.
This begs a few questions..........
How does this happen ?
Would OSX recognise that the same App. was in trash & re-install it ?
Should I have emptied trash first ?
Should I "Secure" empty trash?
My next question is out of personal interest........
When a file etc is trashed in normal way...is the HD freed up of space ?
or...Is it necessary to 'Secure' empty trash to free up HD space ?
I realise this is not a life and death issue...but still important to me.
Thank you
L-Max
IMac-G5 Mac OS X (10.4.2) Also PCWinXP2 user new to Mac & MBox

your settings remained the same because although you deleted the app, you didn't delete the preference files which keep your settings.
This begs a few questions..........
How does this happen ?
it doesn't.
Would OSX recognise that the same App. was in trash & re-install it ?
nope.
Should I have emptied trash first ?
nope.
Should I "Secure" empty trash?
nope.
My next question is out of personal interest........
When a file etc is trashed in normal way...is the HD freed up of space ?
yep.
or...Is it necessary to 'Secure' empty trash to free up HD space ?
nope. "secure" will overwrite garbage on top of the file to make it unreadable and unrecoverable. space is never truly blank on a disk. if you trash something, you are telling your system "this space is now available" that is now considered "empty" space on a disk.
you can use recovery utilities to recover trashed files as long as nothing else has been overwritten there, but if you "secure" empty trash, it's toast.

Is it possible to create a secure empty trash shortcut in file menu?

I have second finger click enabled so that I can quickly move files to the trash bin from the contextual menu. This is fine and dandy, however, for files containing sensitive informaton, I'd like to have a "Secure File Delete" option available (file bypasses the trash bin and is wiped after selecting said option).
I've searched the threads and checked system prefs. Only options are to change "empty trash" to "secure empty trash". This wouldn't work as I have more files that are typically trashed and not wiped. It'd be nice to have it available as a convenience I suppose
I know theres an app in the app store that offers this functionality. It's $3-4.
So my question...is it possible to create such a contextual menu option on my own?
heres an example of what I'm ltalking about...

Create a new Service in Automator.
Set it to receive files an folders in the Finder.
Drag in an Ask for Confirmation action if you want it.
Drag in a Run Shell Script action from the Utilities section of the Library.
Set it to Pass Input as Arguments and Replace the code with:
srm -r "$@"
--That's ess-ar-em for Secure ReMove (just copy and paste)
Save it and it will show up in the Services menu when you right-click on an item in the Finder.
There are options you can add to it like -s for simple, -m for medium. The default (without options) is 35-pass Gutman.
You can see what options are available by opening Terminal and typeing
man srm
Hit space to scroll down. Q to quit the man page.
The Verbose and Interactive options won't work since you can respond.
Note that depending on the algorithm chosen, it may take some time for the file/folder to disappear from the Finder view.

Hi guys, an empty folder is stuck in my trash & I get this message: "The Finder can't complete the operation because some data in the folder can't be read or written. (Error code -36). It won't shift no matter how I try to Secure Empty trash. Any ideas?

Hi guys, an empty folder is stuck in my trash & I get this message: "The Finder can’t complete the operation because some data in the folder can’t be read or written. (Error code -36). It won't shift no matter how I try to Secure Empty trash. Any ideas?

The Time Machines Backup is formated as Mac OS Extended (Case Sensitive, Journaled), my mac is formated as Mac OS Extended (Journaled).
The names on the file are all Uppercase
When I try to copy the Aperture file, it copies about 70% of the file (it's about 33GB in size), and halfway through I get this error.
I'm able to copy 99.99% of all of the images if I open the Aperture Folder using the "show package contents" under the backups using finder (Time Machine Backups>Backups.backupdb>CQ Macbook Air>2012-04-30-070933>HD.....>Pictures>Aperture Library). The only file I can't copy is that picture, which I'm totally ok with deleting, but Finder won't delete it for me. If nothing else works, I could copy the individual masters and re-create the folders, however I'd hate to do this as I would have to go through 10,000+ pics

Hi, Question about secure empty trash. I moved some Time Machine backup files to the trash from an external hard drive. Now I can't secure empty trash. It starts, finds 74,003 files, and does nothing. The external hard drive shows it's empty, but it isn't

I moved some time machine backup files from an external USB hard drive to the trash. Tried secure empty trash. It counts 74,003 items, then just sits there. The external hard drive window shows it's empty, but the info pane says it only has 50G of memory left. I left the secure empty trash on over night. It did nothing. Ideas?
Thanks,
Ron

Relaunch the Finder, then from the Finder menu bar, select
Finder ▹ Preferences ▹ Advanced
and uncheck the box marked Empty Trash securely. Try again to empty the Trash.

How do I override "error code -61" when attempting to put things in the Trash? Cannot empty Trash or use Secure Empty Trash.

How do I override "error code -61" when attempting to put items in the Trash? Cannot empty Trash or use Secure Empty Trash. I have a MacBook OS X 10.5.8

The reason why some of the files are blocking the trash from emptying is because of specific ".app" files from third party companies like Adobe products. Not the user files or the various help documents but instead the actual mother program. Here's how to fix this problem:
1) remove from the trash all the actual software programs like Photoshop, InDesign, DreamWeaver and so on and put them on the desktop.
2) Command "I" (info) and when the dialog box opens go to the "Name & Extension" text box and remove the ".app" from the software name. Example: Photoshop.app change to Photoshop.
3) the program icon will change to a "folder icon".
4) put the folder icon back into the trash and you should be able to now empty the trash.
If you continue to get the error code 8003 it's because you may still have one or more software programs in the trash that needs to go through this process. Remember - it's not the user files or help documents or supporting files that is causing this but instead the "actual product programs".
JKai

Help, I deleted some files and then secure empty trashed it.

I accidently deleted important files, and also secure empty trash, is there any way to recover those files?

no, unless you have a backup.

Secure Empty Trash & Trash Cache

Am old Mac addict home user with Apple from day one but not a guru. Still have Apple IIE that runs like a clock. With 17 Macs in between, years ago when G3 would slow down, get sluggish and tired, I discovered that setting trash cache and deleting many thousands of cached files would invigorate the machine and restore it's original speed using Preferences in TechTool Pro V 3.
Currently have TTP V4 in both G5 Pro Mac OS 10.5.6 and G5 Power Mac OS 10.4.11. Cleaning out old manuals got rid of TTP V2 and V3 manuals. Still have CDs but unfortunately no serial numbers. So, unable to open those programs. Micromat archives couldn't help. Also, unable to use TTP V4 preferences to set trash cache as there's no Preferences capability. Apparently it can be assumed there's no trash cache in current versions of TTP.
Queried Micromat about trash cache who said to "Go into "System Preferences" --> "TechTool Protection". In the "Volume Usage" tab, you can set how many days you want TechTool Pro to save the "Trash History"." No joy as I couldn't figure out what that meant about "System Preferences" or how to do what they recommended.
No problem as both G5s are operating fine. But, I'm curious.
I use "Secure Empty Trash" exclusively shutting down my G5s. My questions: Does that shut down feature remove all data from the HD thereby eliminating the need for a trash cache? If there's still a trash cache, is there any way to set it? Thank you and regards. Ol' Jim.

Did you get a response to this? There is no solution listed, but it’s marked Solved.
I think you are right that there is no longer a Trash Cache. I did a search and it came up with two files called Trash Cache, both were dated 2002, obviously many systems ago which probably came over with Migration Assistant from previous computers.
The TechTool Protection is new with TTP 5. You won’t see it in System Preferences with TTP 4. That’s probably why you couldn’t figure out what they meant.
Secure Empty Trash writes over those files which makes them nearly impossible to recover, so I don’t think you need to worry about them.

Secure Empty Trash is RAM-hog, or something...

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