Error Code: 0x8004005 - Resolution (from Windows Xp Help And Support ERROR Code: 0x8004005 - Resolution (from Windows Xp Help And Support) Isn't Working?

ERROR Code: 0x8004005 - Resolution (from windows xp help and support) isn't working? - error code: 0x8004005 - resolution (from windows xp help and support

I have tried to change my product key for Windows XP using this site:

http://support.microsoft.com/default.asp ...

and start now, let me back in my account. gives the message:

One problem is that Windows does not closely monitor the license for this computer. Error code: 0x80004005

then back to the Welcome screen.

I went to this site for help with method 2:

http://support.microsoft.com/default.asp ...

But when I hit the part that says:

"Type cd% systemroot% \\ \\ \\ \\ \\ \\ \\ \\ System32 and press Enter.

get nothing.

Someone please help me, I am a student and can not afford any data that I lose on my laptop.