@roger_m, how much better than Comodo Programs Manager? I've seen CPM delete 25,000 keys before and regulary in the hundreds for a large application. I guess I have been thinking of it as enough and not as a perfect app. Like I doubt it tracks program activity after installation to revert...or even after updates 100%, although it seems to catch the updates at least most of the time. I see multiple entries for a program (one with a red x for partially uninstalled)...In my experience nothing else is as good as Total Uninstall. I tested a number of uninstallers before buying Total Uninstall and it was a lot better than any of the alternatives.