Better safe than sorry
Mr. Satan
Regarding your statement " I don't trust free programs " , many of the free programs are the best available. From Eraser to anti-spyware to firewalls etc, most of the good ones are made by people who really believe the internet should be free, and access to quality software is a right, not a privelege for those who will pay for it. The best firewalls and anti-virus I have used are free programs. I have also found office programs and browsers that are free and better than the ones from the big money programs. It's the big companies that just want your money, and control of the industry that you shouldn't trust.
Rick
BTW, I have been using the eraser program for about 6 months. It does what you tell it to do, just be sure of what you want to erase, and it should be fine.