i have a dell laptop, p3 256 ram win 2000 pro. wanted to upgrade to win. xp pro for the looks and a newer systm. i ran the set up ,half way through it it stoped and said,, cannot copy a file cannot go on. so i took it out and restarted it. a message came up, winnt/ system32/congf/systm file missing!!! started again and another came up cmdide.sys file corrupt cant start, now i start it goes to windows screen and restarts, tried a fix it utility , wont take it. help!!!