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msiexec /x in InstallUISequence

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Posted 04 February 2008 - 19:21

I'm trying to do a major upgrade from version 7.0.0 to I have to do a major since Windows installer only supports 3 places in the version. Don't ask, I guess marketing has more pull than development.

Anyways a normal major upgrade isn't working because of the versioning rules. So, what I need to do is add an msiexec /x{GUID} to our InstallUISequence.

Has anyone done this before? I'm having a hard time figuring out how to add this custom action to my ReadyToInstall dlg event.

Would I be better off hacking the registry value for the version?

Any ideas?

Stefan Krueger

Stefan Krueger


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Posted 08 February 2008 - 00:43

Maybe you could do a Small update instead of a Major upgrade?
If you do a Major upgrade, do you need to prevent downgrades? If not, it might work if you change the version number settings in the Upgrade table.

In a silent install the UI sequence would be skipped. So I would try to find a better solution.