i have dowloaded spyware doctor which has located problem - but i have to register and pay to remove items - does anyone know anfree removal tool that will not only find but remove without charge. startup now takes 20 minutes. and virus detection keeps saying c:windows dzaprelp/. spybot will not purge previous removed items as it says they are being used by another programm. and system restore is off and wont switch on. task manager seems to duplicate all task up to 17 times. running xp prof.