I think you are stuck with the dialog option. Per-user can only uninstall that 
user, and per-machine can only uninstall per-machine, AFAIK.


-----Original Message-----
From: Colin Bleckner [mailto:[EMAIL PROTECTED]
Sent: Wednesday, December 03, 2008 1:38 PM
To: General discussion for Windows Installer XML toolset.
Subject: [WiX-users] ALLUSERS property and upgrades

A previous version of my installer erroneously included a ALLUSERS property
line:
  <Property Id='ALLUSERS' Value='1' />

I tried taking it out in my new installer (I want the application to be
installed on a per-user basis) but noticed that installing over an old
version no longer removes the previous installation.  Searching the mailing
list looks like RemoveExistingProducts only uninstalls previous versions
who's ALLUSERS value match the current installer's version.  Is there a way
to force the installer to uninstall a previous version, regardless of it's
ALLUSERS value?  Or am I forced to pop up a dialog telling the user they
need to manually uninstall previous versions first?

Thanks,
Colin
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