Every computer must have an anit-virus program that is current, and gets updates daily,
just because your computer came prepackaged with a virus scanner, if you don't pay for it yearly, and get your subscription renewed
then it is worthless, in fact it is actually causing you more problems than it can fix
GET RID OF IT ! and download AVG FREE !
click here! this is avg site download
The best protection against spy ware is Internet explorer 7 for XP
and then do a manual update every few days.
Free online scanner (house call by trend micro)