Restart your computer first, then follow these 4 steps.
1. Set a Restore Point to protect your computer. (Start, All Programs, Accessories, System Tools, System Restore, Set a Restore Point).
2. Go to Control Panel, Add/Remove programs, wait for list to load.
3. Find program you want to remove, click remove.
4. Reboot your computer.
If it works, great. If your computer got messed up, to back to System Restore and Restore the system to its state before the uninstall.