Eralier this week i was on my computer when it freaked out so i shut everything down and opened it back up and it was fine however the next day i tried turning it on and a message cam up saying... Windows could not start because the following file is missing or corrupt: < windows root>\system32\ntoskrnl.exe Please re-install a copy of the above file. I had windows xp before and I didnt have a recovery cd or anything but i have a new windows xp cd and the key but nothing loads or comes up except for that message. the computer is a compaq and it not new but not really old either. can anyone help me?