|You need to explain more clearly.|
Your 'tags' have m=nothing to do with 'Sony Vaio, Pentium 4' or 'window XP'.
Remove your email address, no one will answer you that way and you will get a lot of junk mail. Use the Edit feature to remove it.
List what you have, what you are trying to install (XP?), What you have now, why you feel you have to install/reinstall if XP, etc....
You have to be a little bit crazy to keep you from going insane.