If a Windows XP computer gets a message stating that their Windows is not genuine, have the user go to the link below (be aware: this may not work as it does require an Active X installation which may not occur due to admin rights on the machine) :

Click this link

http://www.microsoft.com/resources/howtotell/ww/windows/default.mspx

This is what they will see (press the” validate now” button):

This is what they will receive (hopefully) when it successfully validates their Windows.

That’s all they have to do, the error message should cease (if not, reboot).