Hmmm... where did you download it? A lot of free DL's now you have to be really careful with. They will ask to install extra things or really the extra things are added by default and you have to uncheck them to keep them from being installed. Cnet of all places has gotten really bad about that but it's just about standard with any free DL's now.
Try this: Download Revo Uninstaller For Free - MajorGeeks
Supposed to be able to uninstall just about anything other than virus and malware.
If that doesn't work and you want a hand let me know. Good luck.