Less consuming resources antivirus for windows xp?

which is the less- consuming resources antivirus suitable for windows xp? and free....

i mean which uses the least memory when runninf in the background

i have freeantivir but it seems to take a lot of available ram.....and slows down windows xp startup

Less consuming resources antivirus for windows xp?anti virus scan

http://free.grisoft.com/doc/1

go there its a great virus scanner and itsw free

thats the link to free avg

Less consuming resources antivirus for windows xp?ariel

Try AVG Free edition
Try eTrust from CA.

It's much better than others and you can get a year for free.

http://www.my-etrust.com/microsoft/
I use Free AV and for it's constant monitoring of accessed/opened/read/written programs, I notice no noticeable slowdown whatsoever. The only time that I do is when I acutally scan my HD for viruses once a week, but that's any program.
AVG Antivirus

Available free on free.grisoft.com.
Norton Antivirus acts like it owns my computer - I know what you mean. Good question; the other answers will be interesting.
I have McAfee and it works great on my PC. Just be aware that anti virus programs do not get all the virus. I recently went to microsoft.com and had them run a free online virus scan on my computer. You can also go to www.geekstogo.com or is it www.geeks2go.com, it's one or the other, i they will recommend an online scan for ya.

Good luck!