I was changing the system registry by not allowing spybot change the system file in system 32. I try to paste same icon back to system but it doesnt allow. I have two OS at the moment which one is already corrupted and another one is new xp. How can recover system file in old OS? My computer cann't login into window page..

what do u mean corrupted? cant boot or else ? and waht do u mean PC cant login windows? do u mean loading windows? please make better explanation, we'll try to help

Boot from windows xp CD.. Then let it load.. Choose repair.. When you gone into DOS mode.. You have to enter something to restore to previous saved point.. Google for it lor..

http://www.kellys-korner-xp.com/xp_sys32.htm