I cant turn off FileVault

on OSX 10.10.1 on Macbook Pro when I get the machine trying to decrypt it comes back after 30 minutes (estimated time 4 hrs) with
An error occured
An error occured during decryption . FileVault won't be turned off for this account.
Any ideas how to resolve this.

Thanks for this I will need and extrenal drive and some help from my son. It looks like some data is corrupt though as ot start the process and then jams after about 20 minutes. Won't the back up and restore just be the same encryted data back again.
If there was a disc problem it should show up on verify disc.
I'm a bit green on the nuts and bolts of Apple was use to the microsoft things (glad i'm not still in that world).

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Can't turn off FileVault

I want to turn off FileVault, but the machine just present me with an "error" and tells me that it will be turned on again. This is after i have type my password.
Can you help ?

Hi Franne500;
How much free space do you have on your system disk?
In order to turn off file vault it is necessary for the system to decrypt everything. To do that it will need like 50 % of the drive free. If you don't have that it may not be able to decrypt your files for you.
Allan

Unable to turn off FileVault in Mavericks

When opening "Security and Privacy" in Settings, a window pops up stating: "There was a problem enabling FileVault. Problems were encountered with the disk "Macintosh HD". Please turn off FIleVault, verify and (if necessary) repair the disk with DIsk Utility, and try enabling FileVault again".
Clicking "Turn off FileVault" brings up a dialog box "Are you sure you want to turn off FileVault?" Clicking "Turn Off Encryption" generates this error message: "Disabling FileVault Failed. An error occurred while reverting the disk. (Error: -69755)" and immediately afterward the same exact error message as noted at the top.
Running DIsk Utility, verified both the physical drive and the partition, both the disk and the folder permissions. FileVault problem persists. Logging out and rebooting does not clear the problem.

I had the same or a very similar problem. I have a mid-2011 MBA that I upgraded to Mavericks, and then enabled FileVault -- no problems. I then bought a virtually identical used mid-2011 MBA for my wife to use, upgraded it to Mavericks, and attempted to enable FileVault. FileVault would go through the motions of encrypting the whole hard drive (256 GB SSD), and then give the error message quoted by the OP above. When I tried to turn FileVault back off, that would not work either.
I tried re-installing Mavericks several times, erasing the hard drive completely and doing a clean re-install from an external drive, but each time when I attempted to enable FileVault, I would receive the same error message. I called up Apple Support on the phone, and they suggested re-installing Mavericks from the Recovery Partition (not the external drive), but that did not work either. They then suggested I go to the Apple Store Genius Bar to have hardware tests run on my hard drive.
I went to the Genius Bar, and they tested the hard drive, which passed all their tests. As one last thing to try before sending the MBA off to get the hard drive replaced, my genius (Brittney Atilano at the One Stockton Street store) asked if when I had erased the drive if I had ever changed the partitioning. I said no, it still had the original one GUID partition that came with the MBA when I bought it, and I had never messed with the partitioning. Brittney said that in their Apple training, they were taught to change the partitioning to something else, and then change it back to one GUID partition, to ensure complete re-formating of the hard drive. So she changed it to two partitions in a different format, re-formatted the hard drive, then changed it back to one GUID partition, re-formated the hard drive again, and then repeated that procedure once more for good measure, ending up with one GUID partition. We then re-installed Mavericks on the newly-formated hard drive, enabled FileVault, and lo and behold it worked this time, no problems.
I really wanted to be able to use FileVault on this MBA, so I am very happy that Brittney was able to solve my problem. I hope this technique will help others out there . . . good luck!

Advice Article TS1974 to create HD space to turn off FileVault doesn't work

I would like to turn off FileVault (prior to fitting larger internal HD in my G4 PwrBk).
I have carefully followed instructions in the above article which falters at step 19, because the new Sparse Disk Image of my Home folder, created on an external HD, is 23GB in size and there is only 9Gb left on my resident laptop HD. This is precisely the problem the above procedure is supposed to get around!
So I can't copy the newly created sparse disk image back to my new user-account which is supposed to replace my FV protected original user account! I must be doing something stupid as the whole point of Apple's guide is to get around insufficient space on the HD in the first place!
As an aside I've discovered a couple of errors/omissions in the above article. I'd be pleased to list them for our moderator if considered helpful for others.
Please can anyone help me understand:
1. How is above process supposed to save space and
2. How can I copy my new Home Directory back to a nearly full HD without first deleting the original account?
Apple's article seems weak on this aspect.
Many thanks to all techies who can help.

I'm not sure about the instructions in [Apple support article TS1974|http://support.apple.com/kb/TS1974?viewlocale=en_US] , but here are some thoughts.
That support article includes
When turning FireVault on or off in Security preferences in Mac OS X 10.4 or later, this alert may appear:
"There isn't enough space on your hard disk to turn on (or off) FileVault"
The amount of free space stated as needed may be much greater than what is available ("4000 GB of free space is needed" may appear, for example).
There can't really be "4000 GB" of free space needed, and so if you see that message it may instead indicate some system error. If that is the case then there might actually BE enough free space on the HD, and it may be that situation that the support article is trying to remedy. The method given, which doesn't delete the old FV data before importing the new data, doesn't otherwise make sense, as you say.
In your case, where there really isn't enough free space, I also would instead try cloning to a bigger drive. The idea would be to clone your entire internal HD to a larger external volume, boot from it, turn off FileVault from there, and then test everything thoroughly. If all functions well on the external volume with Filevault off, then you would clone it back to the internal HD. This has the advantage of not deleting anything on your internal HD until you are sure that the clone works properly.
One important caveat - you can use software such as Carbon Copy Cloner to clone to the external drive initially, but *do not make the clone while logged into the FileVault account*. Instead create a second (non-Filevault) admin account, and run CCC from there. From CCC help:
Working with FileVault home directories
FileVault protects the contents of your home directory by enclosing it in an encrypted disk image. When you log in, the encrypted disk image is unlocked via your login and password and mounted for use as your home directory. Mounted disk images pose an interesting problem to incremental backup utilities. By simply being mounted and accessed (e.g. via browsing the contents), the content of a disk image, and thus the disk image file itself, is modified. If you run CCC while logged in to a FileVault-protected account, there is a strong chance that the FileVault disk image will be modified while it is being backed up, resulting in a corrupted version of the disk image on your backup volume. Also, because the contents of your FileVault-protected home directory are technically on another volume, CCC will not back up the contents of your home directory when backing up your root filesystem (e.g. your boot drive).
For these reasons, you should either exclude your FileVault disk image file from your backup routine while logged into a FileVault-protected account (and set up a separate routine for backing up the contents of your home directory), or you should only run CCC while logged into an account that is not protected by FileVault.
---------------

Iphone wont leave the settings app. cant turn off or return to home. tried connecting to itunes and no change

tried upgrading to ios7 then said i didnt have enough storage so attempted to delete apps in usage and turned my icloud on, now iphone wont leave the settings app. cant turn off or return to home. tried connecting to itunes and no change. help!

You need to reset the phone, but that requires a functioning on/off (lock) button. Time to visit Apple.

How do I turn off FileVault?

I would like to turn off FileVault, but cannot find it on my computer even with Spotlight. Where is it and how can I turn it off?

Bob,
This has nothing to do with File Vault but I noticed in your System Preferences you have Norton installed. I would STRONGLY recommend you uninstall it by following Norton's uninstall instructions.
Not only is it unnecessary because there are no viruses for OS X it tends to create problems for many users. In short it creates more problems that it solves. While there is a very small amount of malware for OS X there are no viruses, your system will run better without Norton and you can keep it extremely safe by running Software Update regularly.

Turn off FileVault when upgrading?

I'm going to upgrade from 10.3.9 to the current system software. Must I first turn off FileVault protection before I start the install? I've looked for documentation but haven't been successful in finding it.
Thanks,

pammm56,
Perhaps this will help answer your question.
Mac OS X 10.3, 10.4: Transferring data with Setup Assistant / Migration Assistant FAQ:
I'm trying to transfer a FileVault-protected account with Setup Assistant, but it says "File Vault users cannot be transferred to Macs with existing users".
FileVault protects home directories by storing them in an encrypted disk image file. This image file can be migrated from an older Mac to a newer one as long as the newer computer has not yet been migrated to (and has no existing user accounts).
To migrate the account's home directory and account settings at a later time, start up your older Mac and turn off the account's FileVault protection. Then use Setup Assistant to transfer the desired account or data. You can protect the account with FileVault again on your new computer.Based on that answer, I would be inclined to turn it off even though you are just upgrading.
;~)

Problem turning off Filevault

Hi,
I am trying to turn off Filevault, but when I try to do it, a dialogue box appears saying I have insufficient diskspace. The problem is, it says an additional 4080 GB are required! Unfortunately I don't have access to a drive of such capacity, and my internal drive is a mere 80 gigs. Does anyone know why this is happening?
Any advice is appreciated!

It appears that it's a bug.
http://docs.info.apple.com/article.html?path=Mac/10.4/
en/mh1908.html has some information on the size
requirements, but doesn't address the problem you're
seeing. A search in thise forums for filevault
or file vault should bring up similar
problems. AFAIK, the best thing for you to do is
backup your home folder to another volume, create
another admin user account, log into the new account,
delete the problematic account without saving the
data, recreate the account, using the same
username/password combo, log into it, copy the
Most importantly, use the same UID/GID or you will end up locking yourself out of the old account and, if the account is an administrator one, you will be locked out of your Mac administration, too.
appropriate items from the backup, and don't enable
FileVault.
Ciao,
Ermanno

My ipad froze while updating cant turn off, any suggestions

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Cant turn off shuffle?

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itunes 8
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Hi, I have the same problem which, strangely, only started today.
I’m running OS X 10.5.5 with iTunes 8.0.2 on a late 2006, 20-inch, 2.33ghz iMac.
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Can I turn off FileVault 2 during encryption?

Hi, I started to use Filevault 2 in the mistaken belief that it would prevent anyone from accessing my data while I was online. I want to turn it off, but it is still in the process of encrypting the drive. Further, I'm worried that there might be insufficeint free space on the drive, and that the process might stall or fail.
Can I just turn off filevault int he preferences while it is still encrypting? Is this a safe thing to do?
TIA!

In OSX 10.8.3 (Mountian Lion), I found that I could interrupt the encryption process by opening the System Preferences Privacy & Security pane, selecting the FileVault Tab, clicking the lock to make changes and entering my password, and then selecting "Turn Off Firevault." At this point the encryption process was about an hour into an estimated 11-hour encryption stage.
The computer immediately responded by changing the displayed progress bar from showing encryption process progress to showing decryption process progress, and counted down to zero time for the next hour. After that, I rebooted and everything was normal, except that the setting for "Disable automatic login" was changed in the General tab of the same pane from unchecked to checked.
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HT4623 have just ugraded IPhone 5 to I07. My passcode is not being recognised, also whir I connect to the computer the message is that the cable is incorrect. Any suggestions. I cannot restore on itunes cant turn off the find my iPhone..

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Cant turn off computer

Hi,
I just upgraded from 10.3.9 to 10.4.3 and since then I cant get my computer to turn off. I press the "shut down" or "restart" option and it takes forever, it never turns off, I've left it there for like 20 min and nothing!!! the only way to turn it off is by holding the power button for a few seconds.
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I cant turn off FileVault

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