Temp files windows xp

dear all

i used to run "%Temp% to delete temp files and also from recycle bin. till yesterday, it was
working alright.

when i ran %Temp% today, i could not delete the files fully and the number of temp files is endless.
you may call it "loop" problem. i scan the system files using norton. some threats were detected
and rectified by norton.

i shall be glad the forum members help me solving this problem. os is windows xp.

thanks

narayanan m.s.