I have a harmful software. can i get rid of it if i delete that user? it affected my I.E .?

OTHER USER REMAINS UNAFFECTED. OTHER PROGRAMS ARE RUNNING CORRECTLY

i dont want to use antivirus software

plz help me

I have a harmful software. can i get rid of it if i delete that user? it affected my I.E .?vista

ok try system restore, start %26gt; all programs %26gt; system tools %26gt; system restore choose a date to before you had the problem , if that dosent work boot into safe mode by pressing f8 before windows loads. if its spyware or adware try spyware doctor starter with the google pack, spyware terminator, ad-aware, and spybot. Run a panda active scan online and trend micros housecall.