We would need to get a little more information around what is actually occuring.
Are you being prompted that your copy of windows is not genuine?
Did you buy a Genuine Advantage Kit?
Are you trying to buy a genuine advantage kit?
Do you know if your current version of windows is genuine?
We are trying to gather some more info here. The information we have is not sufficient to determine a possible plan of action.
We look forward to your reply
dave