I run on mine Search and Destroy, Spybot Read about it here.
http://download.cnet.com/Spybot-Search-Destroy/3000-8022_4-10122137.html
I use the free version and it works great.
I also use advanced system care. Free version.
http://download.cnet.com/s/advanced-system-care/free/
Heard about these on radio from Kim Komando.
Good luck.
Is this the type of program that does it for you because I am illiterate when it comes to computer instructions.