Win 7 x32:
-Online Armor free
-AviraFree
-PrevxSOL-facebook edition
-Malwarebytes(free-on demand)
-HtmanPro(free-on demand)
-Sandboxie ver3.53(paid)

XP SP3:
-Avira Premium
-Comodo Firewall
-Malwarebytes(free-on demand)
-Sandboxie 3.43(paid)
-HitmanPro(free-on demand)