You receive a "C000021A" Stop error message after you install the MS04-037 security update for Windows NT Server 4.0, Terminal Server Edition on a computer that is running Windows NT Server 4.0 with Service Pack 6a (SP6a)

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SYMPTOMS

When you install the MS04-037 security update for Microsoft Windows NT Server 4.0, Terminal Server Edition on a computer that is running Microsoft Windows NT Server 4.0 with Service Pack 6a (SP6a), you receive the following Stop error message after the installation is finished:

Kernel dump indicated Winlogon had exited.
BugCheck C000021A, {e1199f08, 80, 0, 0} kd> !error c000021a Error code: (NTSTATUS) 0xc000021a (3221226010) - {Fatal System Error}
The %hs system process terminated unexpectedly with a status of 0x%08x (0x%08x 0x%08x).
The system has been shut down. kd> dc e1199f08 e1199f08 646e6957 2073776f 6f676f4c 7250206e Windows Logon Pr e1199f18 7365636f 00000073 010a2201 80c3e020 ocess....".. ... e1199f28 4d454444 6576454c e100746e 000f001f DDEMLEvent.

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CAUSE

The MS04-037 security update for Windows NT Server 4.0, Terminal Server Edition does not verify the operating system version before the updated files are installed.

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STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.Microsoft regularly releases software updates to address specific problems. If Microsoft releases a software update to resolve this problem, this article will be updated with additional information.

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MORE INFORMATION

For additional information about the MS04-037 security update, click the following article number to view the article in the Microsoft Knowledge Base:

841356 (http://support.microsoft.com/kb/841356/ ) MS04-037: Vulnerability in Windows shell could allow remote code execution

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