W7 System Crashes - Bitdefender 2013 Identified

My machine has been turning off when left unused for a while (30 min to 2 hours); it is driving me nuts. Someone told me to run WhoCrashed, which I did and it has identified two Bitdefender things. I'll include some of the WhoCrashed report here; please help:

Crash dump directory: C:\Windows\Minidump

Crash dumps are enabled on your computer.

On Thu 12/6/2012 1:56:29 AM GMT your computer crashed

crash dump file: C:\Windows\Minidump\120512-16161-01.dmp

This was probably caused by the following module: ntoskrnl.exe (nt+0x7EFC0)

Bugcheck code: 0x9F (0x3, 0xFFFFFA80074B0060, 0xFFFFF80000B9C518, 0xFFFFFA800D605010)

Error: DRIVER_POWER_STATE_FAILURE

file path: C:\Windows\system32\ntoskrnl.exe

product: Microsoft® Windows® Operating System

company: Microsoft Corporation

description: NT Kernel & System

Bug check description: This bug check indicates that the driver is in an inconsistent or invalid power state.

This appears to be a typical software driver bug and is not likely to be caused by a hardware problem.

The crash took place in the Windows kernel. Possibly this problem is caused by another driver that cannot be identified at this time.

On Thu 12/6/2012 1:56:29 AM GMT your computer crashed

crash dump file: C:\Windows\memory.dmp

This was probably caused by the following module: ntkrnlmp.exe (nt!KeBugCheckEx+0x0)

Bugcheck code: 0x9F (0x3, 0xFFFFFA80074B0060, 0xFFFFF80000B9C518, 0xFFFFFA800D605010)

Error: DRIVER_POWER_STATE_FAILURE

Bug check description: This bug check indicates that the driver is in an inconsistent or invalid power state.

This appears to be a typical software driver bug and is not likely to be caused by a hardware problem.

The crash took place in the Windows kernel. Possibly this problem is caused by another driver that cannot be identified at this time.

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Conclusion

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32 crash dumps have been found and analyzed. Only 15 are included in this report. 2 third party drivers have been identified to be causing system crashes on your computer. It is strongly suggested that you check for updates for these drivers on their company websites. Click on the links below to search with Google for updates for these drivers:

trufos.sys (Trufos Kernel Module, BitDefender S.R.L.)

bdfndisf6.sys (BitDefender Firewall NDIS6 Filter Driver, BitDefender LLC)

If no updates for these drivers are available, try searching with Google on the names of these drivers in combination the errors that have been reported for these drivers and include the brand and model name of your computer as well in the query. This often yields interesting results from discussions from users who have been experiencing similar problems.

Read the topic general suggestions for troubleshooting system crashes for more information.

Note that it's not always possible to state with certainty whether a reported driver is actually responsible for crashing your system or that the root cause is in another module. Nonetheless it's suggested you look for updates for the products that these drivers belong to and regularly visit Windows update or enable automatic updates for Windows. In case a piece of malfunctioning hardware is causing trouble, a search with Google on the bug check errors together with the model name and brand of your computer may help you investigate this further.