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Q236387: Unable to Start Windows Explorer After Applying Service Pack 5

Article: Q236387
Product(s): Microsoft Windows NT
Version(s): 4.0
Operating System(s): 
Keyword(s): kbenv kberrmsg kbui
Last Modified: 11-JUN-2002

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The information in this article applies to:

- Microsoft Windows NT Server version 4.0, Terminal Server Edition 
- Microsoft Windows NT Workstation version 4.0 
- Microsoft Windows NT Server version 4.0 
- Microsoft Windows NT Server, Enterprise Edition version 4.0 
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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.

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.

RESOLUTION
==========


Windows NT Server 4.0, Terminal Server Edition
----------------------------------------------

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

  Q152734 How to Obtain the Latest Windows NT 4.0 Service Pack


STATUS
======

Windows NT 4.0
--------------

Microsoft has confirmed this to be a problem in Windows NT 4.0.

Windows NT Server 4.0, Terminal Server Edition
----------------------------------------------

Microsoft has confirmed this to be 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.

MORE INFORMATION
================

For additional information about the Shell32.dll update, please click the
article number below to view the article in the Microsoft Knowledge Base:

  Q219392 System Drive Cannot be Hidden in Windows NT Explorer View

Additional query words:

======================================================================
Keywords          : kbenv kberrmsg kbui 
Technology        : kbWinNTsearch kbWinNTWsearch kbWinNTW400 kbWinNTW400search kbWinNT400search kbWinNTSsearch kbWinNTSEntSearch kbWinNTSEnt400 kbWinNTS400search kbWinNTS400 kbNTTermServ400 kbNTTermServSearch
Version           : :4.0
Issue type        : kbbug
Solution Type     : kbfix

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