Check your NT version/SP level against this list
http://www.mvps.org/marksxp/WindowsXP/upgrade.php
--
JS
http://www.pagestart.com
"Anonymous" <(E-Mail Removed)> wrote in message
news:(E-Mail Removed)...
>I got a Win XP Pro full retail with SP2 from an uncle.
> I wish to upgrade an old PC with NT, but when I click on
> either Install Windows XP or Check system compatibility,
> nothing happens, except the screen flickers for half a
> second. The other options: Learn more about the setup process
> and Perform additional tasks proceed when I clicked.
> I tried this CD in another PC with Windows 2000, and the
> Install and check options do proceed if I click on them.
> Why does it fail with NT?
>