Hi all!
I always use
AntiVirus : CA.eTrust.EZ.AntiVirus2005 v7.0.7.7
AntiSpyware : eTrust.PestPatrol v5.0.1.6 (r5)
Cookies Delete : History Sweeper v2.60
Adwares : Ad-Aware SE Professional 1.06 (r1)
Registry : Registry Mechanic v5.0.0.144
Bug Fixed : PC BugDoctor v3.0.2.3
Firewall : Microsoft Windows Firewall (SP2)
I never be in problems at all when using all of the above programs for a long time even I surf on underground sites!