Wix Bootstrapper: Product installed fine but never found when uninstalling

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I have 2 products using Wix Bootstrapper.

Product-A has several dependencies before doing an MSIPackage install of product (per-machine)

Product-B has no dependencies, just MSIPackage install (Example shows .NET 4.8)

Both products install perfectly and can be seen in ARP on completion

Product-A uninstalls perfectly via ARP

Product-B does not

  • uninstall removes bootstrapper - no call to product MIS and product no longer in ARP
  • Product cannot be uninstalled unless original EXE is run again and Remove is selected when Product MIS is executed
  • Log shows the detection of product did not find product.
  • Registry between Product-A and Product-B is vastly different despite B being the more simplistic.

This same issue is happening on other products.

If Product-B install fails, even the rollback says the package was not detected, the product remains in registry (aka can't install a new version) but does not show up in ARP.

GUIDs for Bundle, Upgrade and Product are all unique and Bootstrapper project was copied from Product-A

Product-B Bundle

Product-B Uninstall Log

Registry Entries

0

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