KB: How to uninstall applications not showing in Add/Remove Programs, or fails to uninstall by normal MSI actions

 

  1. Retrieve the Product Code (GUID) by using MSIInv. Command: msiinv.exe -p
  2. Run msiexec /x {product code} to uninstall.
  3. If it fails to uninstall, try Msizap.exe available in Windows SDK Components for Windows Installer Developers. Command: Msizap TP {product code}

References:

http://blogs.msdn.com/b/astebner/archive/2005/10/30/487096.aspx

http://blogs.msdn.com/b/astebner/archive/2005/07/01/434814.aspx

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