vista was fine until it said i had 2 files named c did i want to rename it i clicked yes,coul'nt get xp my main os to boot.so i tried to repair with xp disk,not really knowing what i was doing i disabled something called bootcfg ,also i press f2 to get into bios at start up,now i try fresh install with xp it gets so far needs to reboot ,when pc starts set up starts from scratch,thank's for help