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

Support for Windows XP has ended

Microsoft ended support for Windows XP on April 8, 2014. This change has affected your software updates and security options. Learn what this means for you and how to stay protected.

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.
CAUSE
This issue occurs because of a missing or corrupted Rundll32.exe file. This issue may also be caused by a virus.
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.
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 Error message caused by Sircam32 virus when you start a program
Properties

Article ID: 812340 - Last Review: 09/23/2011 13:21:00 - Revision: 4.0

  • Microsoft Windows XP Home Edition
  • Microsoft Windows XP Professional
  • kberrmsg kbprb KB812340
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