DOCUMENT:Q200047  11-DEC-2001  [winnt]
TITLE   :Error Uninstalling Internet Explorer on Terminal Server
PRODUCT :Microsoft Windows NT
PROD/VER:WINDOWS:4.0,4.01,4.01 Service Pack 1,5; winnt:4.0
OPER/SYS:
KEYWORDS:

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The information in this article applies to:

 - Microsoft Windows NT Server version 4.0, Terminal Server Edition 
 - Microsoft Internet Explorer versions 4.0, 4.01, 4.01 Service Pack 1, 5 for Windows NT 4.0 
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SYMPTOMS
========

When you try to uninstall Internet Explorer on a computer running Windows NT
Server, Terminal Server edition through the Add/Remove Programs utility in
Control Panel, you may receive the following error message:

   Setup has determined you have multiple versions of Internet Explorer 4.0 (5)
   installed in different operating systems. Setup can not uninstall the current
   Internet explorer installation. Please restart the machine under the other
   operating system and then remove Internet Explorer.

   After that uninstall is complete start the system again with the original
   operating system and use IEREMOVE from Start, Run to completely remove
   Internet Explorer from this installation.

CAUSE
=====

This problem occurs because the Add/Remove Programs shortcut does not seem to
properly switch Terminal Server to the install mode when trying to uninstall
Internet Explorer, which was loaded with the original installation of Windows
Terminal server.

RESOLUTION
==========

To work around this problem, follow these steps:

1. Click Start, click Run and then type " cmd" (without the quotation marks). At
   the command prompt, type "change user /install" (without the quotation marks)
   and then minimize the command prompt window.

2. Manually remove Internet Explorer. To do this, click the article link below,
   and then perform the steps in the following Microsoft Knowledge Base
   article:

   Q224412 How to Manually Uninstall Internet Explorer 4.0 for Windows NT

3. After the installation has been removed, go back to the command prompt and
   type "change user /execute" (without the quotation marks).

NOTE: For additional information about problems attempting to reinstall Internet
Explorer, please see the following article in the Microsoft Knowledge Base:

   Q196459 Terminal Server Upgrading IE 4.0 from Either IE 3.0 or IE 2.0

Additional query words:

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Keywords          :  
Technology        : kbWinNTsearch kbWinNT400search kbWinNTSsearch kbWinNTS400search kbNTTermServ400 kbNTTermServSearch kbIEsearch kbZNotKeyword2 kbIENT400Search kbIE500Search kbZNotKeyword3 kbIE400WinNT400 kbIE401WinNT400 kbIE401WinNT400SP1 kbIE500WinNT400
Version           : WINDOWS:4.0,4.01,4.01 Service Pack 1,5; winnt:4.0
Issue type        : kbbug
Solution Type     : kbpending

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Copyright Microsoft Corporation 2001.