I too have the same problem. I have a computer that I let fix. When it was returned I found out that they put a unlicensed version of XP Pro on it. I have the original disk but when I try to enter the key I get a message that the key is incorrect. Is there a way to load the licensed version of XP Pro over the top of the unlicensed version without the formatting process?? I have a lot of programs and valuable data that can not be replaced. Please HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
