This is what I use, along with FireFox
Ad-Aware protection from spyware and data mining cling-ons.
http://www.lavasoftusa.com/
Spybot and Ad-Aware, a must have also.
http://www.download.com/3000-8022-10122137.html
CCleaner 1.41.544
http://www.download.com/CCleaner/3000-2144_4-10720990.html?tag=lst-0-1
What do you think of window’s defender? Is Ad-Aware better?