Need an good free antivirus?

i need an antivirus that is totally free and also uses less then 224 mb of ram and dont tell me to get more ram i have waitsted 50 dallors on norton 2007 and now i need an antivirus that is totally free and also uses less then 224mb of ram and also need good smyware and adware rmovers if you know and other secuirtys that i did not name please make sure it only uses less then 224mb of ram and also is totally free

Need an good free antivirus?norton 360

I use all of the following programs...they are totally free:

Spyware Tools:

http://www.lavasoft.nu/software/adaware/...

http://www.safer-networking.org

http://www.microsoft.com/windowsdefender

http://www.merijn.org/programs.php

Anti-Virus:

http://free.grisoft.com

Cleanup:

http://www.ccleaner.com

Need an good free antivirus?photoshop

check out

http://computer-probs.blogspot.com/

It not only gives complete solutions but also offers

free downloads of effective softwares which can detect

and eliminate all spy ware /virus /ad ware /Trojans completely.
good and free are oxymorons when it comes to anti viruses but NOD32 is light on the system I dont know how much ram it takes[ it isnt free]
avast ,avg etc etc etc