The nonk 6

  any leftover remnants. It's "the only freeware product I know of that will make a decent job of cleaning up a failed install." Additionally, click "Tools" for its startup manager, list of windows tools, and junk files scanner. Don't miss the "Tracks Cleaner" right below the Junk Scanner for its several other cleaners (browser cleaner, Office cleaner, Windows cleaner, free space wiper, file shredder). Verified TruPortable.
Automatically Uninstall Junk from a New PC