Sounds like an ALLUSERS problem.   Basically the first install was either 
per-user or per-machine and the second one was the other.   
FindReleated/RemoveExisting only processes the same type so you ended up with 
two installed products.  One registered for AllUsers and one registered for the 
current user profile.
  
tsollas <[EMAIL PROTECTED]> wrote:
  
I'm working on doing a major upgrade for a Wix install. Both the original and
version I'm upgrading to are Wix built installs.

When the install runs, I'm able to detect that an upgrade is in process, and
the install procedes normally. The Add/Remove Programs list shows just the
new version.

So, I go to uninstall the product. The uninstall completes successfully, and
even completely uninstalls the product (files are deleted, services
uninstalled, websites deleted and so on), but the entry in Add/Remove
products remains! I run uninstall again, the uninstall completes
successfully, and this time the entry is removed from Add/Remove Programs.

If the new version is installed by itself, it uninstalls cleanly.

I've sequenced the in a couple of different spots,
currently I'm sequenced at After="InstallValidate" as I'm probably going to
want to uninstall prior to actually installing at this point.

Any thoughts here? Is there a reference count thing going on that I'm
missing?


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