Frndz Mere Computer mein 40gb hard 512 ram aur 2.4g processor hai...masla yeh hai maine service pack 3 xp install ki hui hai mera computer bht zayada stuck ho raha hai 2,3 files ek sath khol lu to stuck ho jati hain windows...anti virus avast download kiya hua hai antivirus sys mein koi virus b show nahi karta help me...kya karun?