to repair my pc windows xp I have create bootalbe usb by reading article on kioskea.net
and successful in creating bootalble usb
After creating bootable usb I boot the usb to repair windows xp
i select the repair options when windows setup boots from usb
then it asks for select the windows which you want the repair and I select required partition on which window is installed
and after this setup asks for adminstrator password but I never setup any adminstrator password so please tell what should I do to run window xp repair.