0x00000050: PAGE_FAULT_IN_NONPAGED_AREA
(Click to consult the online Win XP Resource Kit article, or see Windows 2000 Professional Resource Kit, p. 1548.)
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). Use the General Troubleshooting of STOP Messages checklist above.
You receive a Stop 0x00000050 error on a Blue Screen {KB 894278} Win 2000, Win XP, Server 2003 (with concurrent 1003/System entry in Event Viewer: possible Rootkit spyware infestation)
Possible Resolutions to STOP 0x0A, 0x01E, and 0x50 Errors {KB 183169} Win NT, Win 2000, Win XP
During setup {KB 171003} Win NT, Win 2000, Win XP
Easy CD Creator 5.0 Does Not Function In Windows XP {KB 310628} Win XP
How to Use Driver Verifier to Troubleshoot Windows Drivers {KB 244617} Win 2000, Win XP, Server 2003
STOP Error When You Start Windows After You Connect a Scanner {KB 310869} Win XP
Stop 0x1E in PROTCLS.SYS When You Undock a Toshiba Tecra 8100 {KB 284154} Win XP
STOP 0x4E, STOP 0x1A, STOP 0x50, and STOP 0xA Errors Occur When You Try to Start the Computer {KB 271955} Win NT 4.0 (corrupt physical RAM)
“STOP 0x00000050” Error Message in Stac97.sys After You Upgrade Your Panasonic Toughbook to Win XP Service Pack 1 {KB 329832} Win XP SP1