What exactly do you mean 'you can't delete old files'? After installing xp
are the old files still there? If so are you reinstalling or simply
repairing? A repair install will do just that - repair the operating system
files, but leave other files in tact (well theoretically anyway) A 'clean
install' requires the drive to be reformatted and then xp installed. Visit
my website : http://freespace.virgin.net/john.freelanceit/index.htm
Click the Win XP Faq button and take a look at the following questions: Q7
Q41, Q55, and Q86