i just instaled of windos xp media center 05 on a computer that had windows 2000 pro. but wen i start it up it goes thru BIOS fine then shoes a status bar that fills all trhe way but then freezes. iknow its not the hard drive because wen i put it into anothe pc it does fine. P¡¡¡ 180 mb ram 7.5 gb hard drive plz help!!!