You know what? Some of my friends they try a few free ones but to be surprised, these programs can not solve the problems, but bring more to their laptop! It is necessary to get an excellent security program, even pay for it. But you can check here to get the best security tool without only a little $. Trust me, it is worth of trying....
http://ezinearticles.com/?How-to-Secure-Your-PC-Effectively---You-Just-Need-One-Minute-Computer-Knowledge&id=3599864
Tina, January 2010
