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I get a 'File not found' message when I try to start any program

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Do you get an error message telling you that Windows cannot find a certain file every time you try to start any program? It may be the result of a virus, or even (ironically) the result of a misconfiguration in an antivirus program.

Note: this is NOT the same as getting a "not found" error when trying to start a particular program. Use the following solution only if you get the message when you try to start any program.

  • The cause of this problem is an invalid entry in the HKEY_CLASSES_ROOT\ exefile\ shell\ open\ command Registry key. The correct data for the (Default) value should be "%1" %*
  • Of course, given the nature of the problem, you can't run Registry Editor (regedit.exe) to fix it directly. Note the following workaround: although you can't launch any programs directly (e.g. Notepad.exe), you can launch them by double-clicking on an associated document (e.g. readme.txt). Another example: you can't open a web browser directly, but you can select Run from the Start Menu, and then type "http://www.annoyances.org/" (without the quotes), and a browser will open!
  • The solution is to use our little patch: 07-102.inf. (Click the link to download.) If your browser asks you what it should do with the file, instruct it to save it to your desktop. If, instead, your browser simply displays the contents of the file in the browser window, select Save from the File menu, and save the file to your desktop.
  • Next, right-click the new 07-102.inf file, and select Install.
  • The fix should take effect immediately.

Note: although this fix will restore your ability to launch programs, it won't remove the cause of the problem. You should install antivirus software, or visit the Computer Associates' Virus Encyclopedia.

Note: A common cause of this problem is the SirCam virus. This virus is transmitted via email attachments, usually accompanying a message that reads, "I send you this file in order to have your advice." IMPORTANT: you will elminiate the risk of infecting your computer and helping to spread the virus if you don't open unknown email attachments.


Written by: Annoyances.org
Last updated: Wednesday, February 7, 2007

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