Morning Andy,
Thank you for visiting our WGA Forums :-). Please run the MGA Diagnostic Tool and provide us with the results as outlined in the following sticky post
http://social.microsoft.com/Forums/en-US/genuinewindowsxp/thread/c2be4a37-9ac3-4674-9b30-08fdc9b99dd8. This will allow us to analyze what you are experiencing so we may begin to formulate a resolution for you.
Thank you Andy
Stephen
Attention All Forum Users: Please Do Not post your issue in someone else's Thread...Create your own which will help minimize confusion. If any post fixes your issue, please click the "Post was Helpful" button for that post. This will help us showcase the threads that best help our customers. Thank you, Stephen Holm