ok i have windows xp sp2 and i installed a not genuine copy of V I S T A i made it genuine and it installed correctly. everything worked fine until it was making some updates to the configuration. then the power went of and wen it came back i turned the pc and it says it cannot start vista a file has been corrupted or deleted. it says to use the original cd to repair the prob. but i have no disc. wat do i do!! PLZ HELP!!!