0x00000050: PAGE_FAULT_IN_NONPAGED_AREA
Requested data was not in memory. An invalid system memory address was
referenced. Defective memory (including main memory, L2 RAM cache, video
RAM) or incompatible software (including remote control and antivirus
software) might cause this Stop message, as may other hardware problems
(e.g., incorrect SCSI termination or a flawed PCI card).
Remove the dust bunnies and test the RAM memory
Check the hard drive for bad sectors by running chkdsk /f /r
Check the System log of Event Viewer for Error Reports.