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I'm trying to uninstall an application from my Windows 7 machine, but the uninstall fails with the following error:

There is a problem with this Windows Installer package. A program required for this install to complete could not be run. Contact your support personnel or package vendor

Is there a safe alternative way to remove this application. Maybe manually or something. I know I can delete the application files, but can I somehow get rid of the entry in the "Add/Remove Programs" dialog too?

Thanks.

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"Can't uninstall"... But can't uninstall WHAT? Plese, try to improve your question title. Maybe something along the lines "Can't uninstall an application because Windows Installer failure." (even though it's not a question) – Denilson Sá Feb 11 '11 at 13:03

You can also try reinstalling the application complete, and then uninstalling. This works for a lot of annoying pieces of software that will not go away.

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Try Revo Uninstaller - available on Ninite for quick installation.

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This worked for me:

  1. Open the "Add/Remove Programs" dialog.
  2. Right click on the offending application and click "Repair" in the context menu.
  3. When the repair is done, uninstall the application as usual.
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