1. What OS are you running?
2. What user name are you using on the computer? Is that user a part of the administrators group?
3. Just want to rule this out, this isn't a password prompt to supply a password to remove the program?
Please answer all 3.
Matt J.
Please always take the time to backup any and all data before performing any actions suggested for ANY problem, regardless of how minor a change it might seem. Also test the backup to make sure it is intact.