They never fully uninstall Ugh, you'd think we'd be better by now. I've had good success with Total Uninstall for this problem (with software in general). It

They never fully uninstall Ugh, you'd think we'd be better by now. I've had good success with Total Uninstall for this problem (with software in general). It does a diff of your registry and filesystem before/after installing an app, and after uninstall highlights lingering remnants. Over time you and it "learn" to filter out background changes unrelated to the install process.