We need to update certain keys in the registry when a collaborator's software is installed. To do this, I created a custom feature with a condition based on the existence of a registry key that should be present when their software has been installed, then created a registry item only in that feature.
Running the installer when the collaborator's software IS installed does not update the registry. If I avoid a conditional install and put the registry changes in the Always Install feature, the registry items are created properly.
Is my approach invalid? Should I conditionalize on something other than the presence of a registry key?
