Simon Topley wrote:
The first release of our product using WIX has now passed and without
event. We are now testing the next version of our product (we have
rolled over all the GUIDs... Including the component guids [not sure
if this is needed]). Sadly when the current copy of the product is
removed from a system that has the previous version installed some of
the registry settings are left behind (only the keys, all the values
are removed). People frequently run multiple version of our product at
the same time...:(
If you change the component GUIDs, you also need to change the
destination of any component resources. For files, that's a directory,
but for registry values, it's keys. If any keys are the same, then MSI
won't remove them because it knows it wrote them for another product (if
they're the keypath to any component).
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