Calin Iaru wrote: > I don't think there's a way to have a remove button implemented inside a > major upgrade MSI package. > At least not from WiX. WinDbg supports Upgrade and CustomUpgrade modes, > which are somewhat > helpful, but it seems that there are no samples (tutorials or other MSI > distributions) like the one I need. > If MSI supports it, WiX supports it (or it's a bug). You can prompt for notification to allow the normal processing. WinDbg uses a property value as the list of features to remove from the prior version and sets that property in the UI. You can do the same thing to allow some features of both products to work side-by-side. But you need to figure out why RemoveExistingProducts isn't running -- that means your MSI is running in maintenance mode, which means you're not meeting all the conditions for a major upgrade.
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