SYMPTOMS
During high levels of computer stress, a pointer move/assignment may be overwritten by another thread before that pointer is used by the owning thread. When the pointer becomes invalid, you may receive the following error message on a blue screen:
Stop 00000050 (0xa8070f7c, 0x00000000, 0x00000000, 0x00000001)
RESOLUTION
A supported fix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Apply it only to computers that are experiencing this specific problem.
To resolve this problem, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information about support costs, visit the following Microsoft Web site:
NOTE: In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.
The English version of this fix should have the following file attributes or later:
Date Time Size File name Platform
-------------------------------------------------------
07-Dec-01 13:58 957,568 Ntkrnlmp.exe Intel
07-Dec-01 13:57 937,280 Nttoskrnl.exe Intel
07-Dec-01 13:54 1,403,712 Ntkrnlmp.exe Alpha
07-Dec-01 13:54 1,375,680 Nttoskrnl.exe Alpha
NOTE: Due to file dependencies, this hotfix requires Microsoft Windows NT 4.0 Service Pack 6a.