I use the following:
1. Avast--virus protection
2. ThreatFire-- behavior detection meant as an add on to virus protection
3. Firewall Plus ---
4. Spyware Doctor---

All running in real time together.


John
ESI Gigaport HD+
Lenovo Turion II /4 Gig Ram/ Win7x64 be
15.6" Monitor
"The only Band is a Real Band"
www.wintertexaninfo.com/BANDS/JohnnyD.php