Hello Stevenmn,
The issue you are having is a Product Activation issue, not a WGA Validation issue.
It sounds like you are trying to activate your XP over the internet and are getting the error that it has been activated too many time. I suggest using the Activate by Phone method to get an Overide Activation.'
How to activate Windows XP by phone:
To contact a Microsoft customer service representative to activate Windows by phone, follow these steps:
1. Click "Start", point to "All Programs", point to :Accessories", point to "System Tools", and then click "Activate Windows".
Or, click the Windows Activation icon in the notification area.
2. Click Yes, I want to telephone a customer service representative to active Windows now.
3. Follow the steps in the Activate Windows by phone dialog box, and then click Next.
4. When activation is completed and you receive the following message, click OK.
"You have successfully activated your copy of Windows."
Thank you,
Darin Smith