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Fatal Error Solutions

BitLocker Drive Encryption encountered a...

STOP: 0x00000120


The drive encryption (Bitlocker) had a fatal problem.

Some versions of Windows may show the description as "BITLOCKER_FATAL_ERROR".

This is a fatal Windows error, typically called a Stop message, Bug Check, or more commonly the Blue Screen of Death (BSoD). The system is in a forced reboot state. Any unsaved work is likely lost.

  Sample Screen  

A problem has been detected and Windows has been shut down to prevent damage to your computer.

BitLocker Drive Encryption encountered a problem that it cannot recover from.

If this is the first time you've seen this Stop error screen, restart your computer. If this screen appears again, follow these steps:

Check to make sure any new hardware or software is properly installed. If this is a new installation, ask your hardware or software manufacturer for any Windows updates you might need.

If problems continue, disable or remove any newly installed hardware or software. Disable BIOS memory options such as caching or shadowing. If you need to use Safe Mode to remove or disable components, restart your computer, press F8 to select Advanced Startup Options, and then select Safe Mode.

Technical Information:

*** STOP: 0x00000120

Beginning dump of physical memory
Physical memory dump complete.

Contact your system administrator or technical support group for further

Text may appear differently depending on where the error occurs.
Additional technical information (hex values) specific to a machine are not shown.
  Key Facts  
Full Title
  BitLocker Drive Encryption encountered a problem that it cannot recover from. 

Stop Code


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  Vista, 2008, 7, 8

  Microsoft Corporation
  Solutions and Fixes  
  Date Votes ratings
Fix Data Corruption
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Data and/or file structures on the drive may be corrupt. Run the check disk program or other disk validation and repair utility on the drive. To do this:

  1. Open Explorer or My Computer (Press Windows+E).
  2. In the right pane, right-click on the drive you want to validate and select Properties.
  3. Select the Tools tab.
  4. Under Error-checking, click on "Check Now".

  5. In the next dialog, make sure the option "Automatically fix file system errors" is checked. If you want a more complete validation and repair check the option "Scan for and attempt recovery of bad sectors" (although this takes considerably longer to complete).

  6. Click on Start.

Several software products that offer an extensive range of disk diagnostics includes Fix-It Utilities Professional and SystemSuite Professional. Other diagnostic products include Eurosoft's PC Check and Iolo's System Mechanic.

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  FaultWire Staff
Posted: 5-Oct-2008
Restore From Backup or Image
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If you know the hardware is good and you have a current backup or image of the drive, you could reformat the hard drive and start over. This is often the last resort when all else fails, as you will often lose your latest settings and important data. If you have a spare drive, it may be worth it to install the drive in place of the first drive and do a fresh install of Windows. This will help confirm if this is a hardware or software issue (unless the original system drive is the source of the problem).

If you can identify the encrypted drive that had problems, you only need to restore the data on that drive.

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  FaultWire Staff
Posted: 5-Oct-2008

Also see our list of common Fatal Error Solutions.

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  Vendor Summary  
  Microsoft Corporation (more info...)

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    While BSoD fatal stop errors are identified by Microsoft Windows, they are often caused by non-Microsoft applications, drivers and hardware issues.  
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