Another blue screen of death error that appears when starting up your PC. One of the reasons why 0x00000050 errors occur is if there is a conflict between Windows XP and the display adapter drivers that are currently installed. Although this is only one of the reported reasons that cause 0x00000050 errors.
Common Reported 0x00000050 Error messages
STOP: 0x00000050 (0x8872A990, 0x00000001, 0x804F35D7, 0x00000000)
STOP: 0x00000050 Page_Fault_In_Non-Paged_Area Error
page fault in non paged area 0x00000050
page_fault_in_nonpaged_area stop 0x00000050
0x00000050 with this driver: win32k.sys
0x00000050 Can Appear On The Following Windows Version