Random BSOD (even safe mode) PFN_LIST_CORRUPT 0x0000004e

Hi guys,

I'm hoping you guys can help me with a BSOD issue I've been facing.

I've been experiencing frequent BSODs since last night. It started after my screen went black while I was away from the PC. PC was unresponsive so I restarted it and there would be a BSOD every time Windows would boot up (even in Safe Mode). Sometimes it does boot up and I'm able to use the PC for a while (anywhere from 2 to 30 mins) before there's another BSOD.

The most recent changes to my PC were a Windows Update and I've been testing lots of peripherals (headsets, keyboards, mice) so I've been installing drivers for them as well.

I did a system restore to a time before the Windows Upate and that seemed to fix it but again when I was away from the PC, the screen became blank and the PC unresponsive.

My specs:
Operating System - Windows 7 Ultimate 64-bit SP1
CPU - Intel Core i5 3470 @ 3.20GHz
RAM - 12.0GB Dual-Channel DDR3 @ 665MHz (9-9-9-24)
Motherboard - Gigabyte B75M-D3H
Graphics - 2047MB NVIDIA GeForce GTX 660 (Gigabyte)

I'm attaching the ZIP file from the diagnostics tool as well as a couple of dump text files from BlueScreenView.

Thanks

Uninstall Daemon Tools and run memtest (eight passes) and sfc
SFC /SCANNOW Command - System File Checker - Windows 7 Help Forums
RAM - Test with Memtest86+ - Windows 7 Help Forums