Random BSOD?

My computer randomely crashes and displays the BSOD. I was wondering if anyone could diagnose the problem from the error message on the BSOD.
Thanks
Link to the error: http://~ Disallowed image host ~/2chukbq.jpg
Answer #1
Google is your friend.
STOP 0x0000007F UNEXPECTED_KERNAL_MODE_TRAP This error is caused when the CPU errors out and the kernel cannot compensate for the error. This usually happens when overclocking a CPU, or when there is a bad memory chip in the system. Article ID : 822789 S
Resolution:
http://support.microsoft.com/kb/137539
To resolve this issue, use the appropriate method:
* If either software or hardware can cause a particular trap, a debug is required to determine which is the cause. If you suspect a hardware problem, try the following hardware troubleshooting steps:
1. Test the RAM in the computer by running the diagnostic software that is provided by the computer manufacturer. Replace any RAM that is reported as bad. Also, make sure that all the RAM in the computer is the same speed.
2. Try removing or swapping out controllers, cards, or other peripherals.
3. Try a different motherboard on the computer.
* If you are over clocking the speed of your processor, set it back to the speed at which it is designed to run.
* Check with the hardware vendor for any updated hardware drivers or BIOS updates, or both.
First i’d run a memory test with Memtest86. I know you used MS’ Memtool but i have more trust in Memtest86. See if it report any errors. Let it run for a while 2-4 hours or overnight.
I’d also check out Speedfan and or MBM5 to see if your voltages are correct/ stabil and/ or your PCs temperatures are unusually high. Microsoft Memory Diagnostic
http://oca.microsoft.com/en/windiag.asp
Memtest:
http://www.memtest86.com/