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Howto uninstall a broken MSI

I’m busy creating an MSI installer package at work; and managed to get my system into a bit of a knot.

Basically, my custom action crashes on uninstall – so when I try to remove the broken MSI, it throws an error and rolls back the uninstall process.

AAARGH! How do I remove the broken MSI now that I’ve fixed the bug?

Fortunately MSKB supplies this helpful little tool:

Windows Installer CleanUp Utility

Simply run, select offending MSI, and it will forceably remove any MSI registration from your system.

Got me out of a pickle; and will hopefully do the same for you.


So, what do you think ?