[wix-users] preventing double installs: per-machine & per-user both getting installed

[Nir Bar]

You can't detect per-user products of other users, just of the current user and pre-machine products.

You can execute a custom action in InstallUISequence before UI loads. Just schedule it before the first dialog.



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Nir Bar, Independent WiX Expert. Creator of-
JetBA: WiX WPF Bootstrapper User Interface Framework

JetBA++: WiX Native Bootstrapper User Interface Framework