his shit if ****ED...lol.. u might want to just reinstall the OS and start all over fresh.. but i dunno what the problem might be.. unless if u hit 'CTRL ALT DELETE' and ened a system task that didnt have the user name by it.. and it had SYSTEM by it... which u shouldnt do!! but other than that.. umm, i dunno virus... just get a new harddrive n start over