How to implement WiX installer upgrade?
Finally I found a solution – I’m posting it here for other people who might have the same problem (all 5 of you): Change the product ID to * Under product add The following: <Property Id=”PREVIOUSVERSIONSINSTALLED” Secure=”yes” /> <Upgrade Id=”YOUR_GUID”> <UpgradeVersion Minimum=”1.0.0.0″ Maximum=”99.0.0.0″ Property=”PREVIOUSVERSIONSINSTALLED” IncludeMinimum=”yes” IncludeMaximum=”no” /> </Upgrade> Under InstallExecuteSequence add: <RemoveExistingProducts Before=”InstallInitialize” /> From … Read more