Access Violation in Winlogon with Third-Party Gina.dll

This article was previously published under Q180854
This article has been archived. It is offered "as is" and will no longer be updated.
SYMPTOMS
When you attempt to run the screen saver after a period of inactivity,Winlogon.exe encounters an access violation, and a STOP 0xC000021A messageappears on the screen.
CAUSE
This problem only occurs if a third-party Gina.dll file is installed onyour computer and if the updated GINA, or any of the libraries with whichit is linked, performs window hooking.
RESOLUTION
To resolve this problem, obtain the latest service pack for Windows NT 4.0 or Windows NT Server 4.0, Terminal Server Edition. For additional information, click the following article number to view the article in theMicrosoft Knowledge Base:
152734 How to Obtain the Latest Windows NT 4.0 Service Pack

STATUS
Microsoft has confirmed that this is a problem in Windows NT 4.0 and Windows NT Server 4.0, Terminal Server Edition. This problem was first corrected in Windows NT 4.0 Service Pack 4.0 and Windows NT Server 4.0, Terminal Server Edition Service Pack 4.
accgina msgina hookproc
Properties

Article ID: 180854 - Last Review: 10/07/2013 19:26:26 - Revision: 3.2

  • Microsoft Windows NT Server 4.0, Terminal Server Edition
  • Microsoft Windows NT Workstation 4.0 Developer Edition
  • Microsoft Windows NT 4.0 Service Pack 3
  • Microsoft Windows NT Server 4.0 Enterprise Edition
  • kbnosurvey kbarchive kbhotfixserver kbqfe kb3rdparty kbbug kbfix kbqfe KB180854
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