I don't agree with you guys. I have been using Ad-aware and Spybot S&D for more than 11 months. They have worked for me real good. Firstly, you should install software from legitimate source. Secondly, nothing goes in deleting / cleaning the files with Ad-aware and later RECOVERING it if one of your program doesn't work.

I would recommend you keeping using it and also keep IT UPDATED... cya... hope it helps.