Just want to share with you the software I use to protect my system. The nice part, it's free.

Main Antivirus: AVG -> www.free.avg.com

Anti Spyware: Superantispyware -> http://superantispyware.com/

Anti Malware: Malwarebytes -> www.malwarebytes.org

USB Vaccine: Protects virus that loads from external drive like flashdrives "Panda USB Vaccine" -> www.pandasecurity.com

Just drop-in your comments below. I'd gladly address it with the best that I can. :D