Article ID: 236387 - Last Review: October 31, 2007 - Revision: 2.2

Unable to Start Windows Explorer After Applying Service Pack 5

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This article was previously published under Q236387

SYMPTOMS

When you try to use Windows Explorer after applying Windows NT 4.0 Service Pack 5, Windows Explorer may not start, and you may receive the following error message:

This operation has been cancelled due to restrictions in effect on this computer. Please contact your system administrator.

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CAUSE

This problem can occur because of an update made to the Shell32.dll file by Service Pack 5 that permits you to hide the system drive for the default user or a specific user.

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To resolve this problem, obtain the latest service pack for Windows NT Server 4.0, Terminal Server Edition. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

152734 (http://support.microsoft.com/kb/152734/EN-US/ ) How to Obtain the Latest Windows NT 4.0 Service Pack

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STATUS

Windows NT 4.0

Microsoft has confirmed that this is a problem in Windows NT 4.0.

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Windows NT Server 4.0, Terminal Server Edition

Microsoft has confirmed that this is a problem in Windows NT Server 4.0, Terminal Server Edition. This problem was first corrected in Windows NT Server 4.0, Terminal Server Edition Service Pack 6.

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