Microsoft KB Archive/169340

= You receive an "Active Setup is already running" error message when you install Internet Explorer 4.0 =

Article ID: 169340

Article Last Modified on 11/1/2006

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APPLIES TO


 * Microsoft Internet Explorer 4.0 128-Bit Edition
 * Microsoft Internet Explorer 4.01 128-Bit Edition
 * Microsoft Internet Explorer 4.0 128-Bit Edition
 * Microsoft Internet Explorer 4.01 128-Bit Edition

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This article was previously published under Q169340



SYMPTOMS
When you are installing Microsoft Internet Explorer version 4.0, you may experience any of the following symptoms:

 Active Setup quits immediately after you choose the download location. Active Setup quits after you accept the license agreement. When you attempt to run Setup again, the following error message occurs:

Internet Explorer 4.0 Active Setup is already running. You cannot run a second instance of this program.





CAUSE
This behavior occurs if the Inseng.dll file is loaded into memory and in use before you start Setup. When this occurs, Setup cannot replace the file.



RESOLUTION
To install Internet Explorer, restart the computer to unload the Inseng.dll file from memory, and then run Setup again.

NOTE: Some Web pages may load the Inseng.dll file into memory. You should avoid visiting other Web pages before running Setup for Internet Explorer.

Additional query words: 4.00

Keywords: kberrmsg kbsetup KB169340

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