I have Windows XP Pro installed on a single NTFS partition taking up the entire boot drive. Windows XP Pro works fine. I am trying to install System Commander 7 so that I can install other OS's ...
Edit the boot.ini file. Just be careful you don't remove the wrong one. I usually first label them WinXP Boot 1 and WinXP Boot 2. Find out which one is the right one and then remove the other.