Version Information

P
ROBABLE 
C
AUSE
:
 
 
 
A bug in the BIOS of your computer. 

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114 
P
OSSIBLE 
S
OLUTIONS
:
 
 
• Upgrade your BIOS (for information on how to do so, please refer to the documentation for 
your BIOS/motherboard or contact your computer vendor’s technical support team for 
assistance). 
• Use a different motherboard model/brand. 
• If the BIOS/motherboard/computer manufacturer/vendor does not provide any updates that 
resolve the issue and you use Windows 7 or later and there is an extra boot partition 
(whose size is less than 1 GB) on the drive, you can try reinstalling Windows without this 
extra boot partition (to work around a bug in the BIOS). For information how to do so, see: 
http://www.truecrypt.org/knowledge-base/extra-win-boot-partition
 
P
ROBLEM
:
 
 
 
When mounting or dismounting a TrueCrypt volume, the system crashes (a ‘blue screen’ error 
screen appears or the computer abruptly restarts). 
OR 
Since I installed TrueCrypt, the operating system has been crashing frequently. 
P
OSSIBLE 
C
AUSES
:
 
 
 
• A bug in a third-party application (e.g. antivirus, system "tweaker", etc.) 
• A bug in TrueCrypt 
• A bug in Windows or a malfunctioning hardware component 
P
OSSIBLE 
S
OLUTIONS
:
 
 
• Try disabling any antivirus tools, system "tweakers", and any other similar applications. If it 
does not help, try uninstalling them and restarting Windows.
If the problem persists, run TrueCrypt and select Help > ‘Analyze a System Crash’. 
TrueCrypt will then analyze crash dump files that Windows automatically created when it 
crashed (if any). If TrueCrypt determines that a bug in a third party driver is likely to have 
caused the crash, it will show the name and provider of the driver (note that updating or 
uninstalling the driver might resolve the issue). Whatever the results, you will be able to 
choose to send us essential information about the system crash to help us determine 
whether it was caused by a bug in TrueCrypt.