STOP 0x00000050: PAGE_FAULT_IN_NONPAGED_AREA
Usual causes: Defective hardware (particularly memory - but not just RAM), Faulty system service, Antivirus, Device driver, NTFS corruption, BIOS.
STOP 0x0000003B: SYSTEM_SERVICE_EXCEPTION
Usual causes: System service, Device driver, graphics driver, ?memory
STOP 0x0000004E: PFN_LIST_CORRUPT
Usual causes: Device driver, ?memory
Start Menu\Programs\AVG Public:Start Menu\Programs\AVG Public
Start Menu\Programs\AVG PC Tuneup 2011 Public:Start Menu\Programs\AVG PC Tuneup 2011 Public
AVG is a cause to BSOD on some systems. Please uninstall all its components using Revo Uninstallers
I and many members on our forum recommend Microsoft security essentials with
a great combination of Malware Bytes.
→ Microsoft Security Essentials - Free Antivirus for Windows
→Malwarebytes - The Free version
→ Good and Free system security combination.
Run a full scan with both (separately) once downloaded, installed and updated.
Look for an update on your BIOS version.
BIOS Version/Date American Megatrends Inc. 080015, 11/12/2010
Let us know if the problem persists