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Cannot find the Rundll32.exe file when you open Control Panel

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Article ID:812340
Last Review:September 27, 2005
Revision:2.1

SYMPTOMS

When you open Control Panel, you may receive an error message that is similar to the following:
Windows cannot find C:\Windows\Rundll32.exe make sure you typed the name correctly and try again.

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CAUSE

This issue occurs because of a missing or corrupted Rundll32.exe file. This issue may also be caused by a virus.

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RESOLUTION

To resolve this issue, follow these steps:
1.Put the Windows XP CD ROM disk in the CD ROM drive.
2.Click Start, and then click Run.
3.Type expand X:\i386\rundll32.ex_ c:\windows\system32\rundll32.exe in the Open box, where X is the letter of your CD ROM Drive.
4.Restart the computer.

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MORE INFORMATION

For more information or if you suspect you might have a virus, click the following article number to view the article in the Microsoft Knowledge Base:
306913 (http://support.microsoft.com/kb/306913/) Error message caused by Sircam32 virus when you start a program

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APPLIES TO
•Microsoft Windows XP Home Edition
•Microsoft Windows XP Professional

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Keywords: 
kberrmsg kbprb KB812340

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