Windows XP Validation Status: Failed or Geographically blocked PID

If you are receiving a notice that your Windows XP installation may not be legal or you may be a victim of software counterfeiting, it is a good idea to check to see what the status of your Windows XP activation. Download the Windows Genuine Advantage Diagnostics tool here: http://go.microsoft.com/fwlink/?linkid=52012 if it says your windows is genuine you may have a virus on your computer. If it says your windows activation failed or Geographically blocked PID you will need to change your product key download the tool here: http://go.microsoft.com/fwlink/?LinkId=204141 run this tool and type in the product key from the COA on your system, the COA on your retail copy or your VLK key depending on what type of windows install you have.