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Editorial Team
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Asked: 2026-05-24T23:40:13+00:00

My original product has a custom action which does not have the NOT Installed

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My original product has a custom action which does not have the “NOT Installed” condition set, so it tries to run when I uninstall a patch. I’ve verified that changing the base install fixes the problem, but the product has already been deployed.

Is there some way that I can modify the patch so that it can properly uninstall?

I am using the Purely WiX method.

So far I have tried setting OptimizeCustomActions, but it didn’t seem to have an effect:

<OptimizeCustomActions SkipImmediate="yes" SkipDeferred="yes" SkipAssignment="yes"/>

I also tried adding a CustomActionRef to the PatchFamily, which seemed to make it include the custom actions binary, but the uninstall still wants the original package.

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1 Answer

  1. Editorial Team

    A verbose log will indicate why the original package is required. The most common cause is to retrieve an original file. See http://blogs.msdn.com/b/heaths/archive/2006/12/08/source-resolution-during-patch-uninstall.aspx for suggestions.

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