Winlogon Hangs at the Log On Screen (171643)


The information in this article applies to:

  • Microsoft Windows NT Server 3.51
  • Microsoft Windows NT Server 4.0
  • Microsoft Windows NT Workstation 3.51
  • Microsoft Windows NT Workstation 4.0
This article was previously published under Q171643

SYMPTOMS

Windows NT 4.0 Winlogon stops responding (hangs) at the logon screen after creating a blank system-environment variable.

-or-

Windows NT 3.5x causes the computer to stop responding (hang) and displays the following error message:
c000021a fatal system error
The winlogon process has terminated unexpectely with a status of
0XC00000005 (0X000000000 0X000000000)

RESOLUTION

You need to restart the system before you are able to log on to the computer again.

STATUS

Microsoft has confirmed this to be a problem in Windows NT version 4.0. We are researching this problem and will post new information here in The Microsoft Knowledge Base as it becomes available.
Modification Type:MajorLast Reviewed:8/9/2001
Keywords:kbbug kbenv KB171643
©2002 Microsoft Corporation. All rights reserved.