Spyware blaster does some realtime blocking i believe.
is good for finding spyware (do short scan daily/few times a week, full scan at least once a month-There are portable versions on the website if you are short on space or want it for others).Malwarebytes
Good tool to remove a lot of forms of malware
With those 3 + my comodo AV i can usually remove anything that i get.
Those are all free too so its good
Edited by arknaz, 21 June 2010 - 11:17 AM.