Quote Originally Posted by etnarama
The thing is, i have formatted the hard drive and when i try to install a new version (original xp pro) it says there are some missing files, extremely weird because i have installed with the same cd many times, i dont know what to do....
Thank you

HELP
Run a memory checker.

I had this problem recently when I got some duff memory.

http://www.memtest86.com/

Download and burn the ISO image to a CD, and then boot from it.