New
#31
You don't want to have two active (real-time) scanners going at the same time because they could conflict with each other and possibly cause your computer to crash. You'd need to temporarily turn off one of the real-time scanners before scanning with the other AV product. It's OK to use on-demand scanners because they won't conflict with your primary real-time AV program. Some of the free on-demand scanners are:
Malwarebytes : Malwarebytes Anti-Malware PRO removes malware including viruses, spyware, worms and trojans, plus it protects your computer
SUPERAntiSpyware.com | Remove Malware | Remove Spyware - AntiMalware, AntiSpyware, AntiAdware!
Hitman Pro 3 - SurfRight