Hi John,
In order to recieve the best support, we request all users initially go to http://www.microsoft.com/genuine/ and click the "Validate Windows" button. If there are any problems, look to the lower left of the page for a light gray error code similar to this [0xc004c4a8]. Record this code then run the Genuine Diagnostics tool at this link http://go.microsoft.com/fwlink/?linkid=52012 , then click the Windows tab, click the "Copy" button, then paste the report and the error code, into a response message in this thread.
Thank you,
Darin Smith
WGA Forum Manager