How To Remove Windows XP Genuine Advantage Notification

1. First – click Start then Run and type “regedit” without quotes and press Enter
2. Go to My Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WindowsNT\CurrentVersion\Winlogon\Notify. In this location delete the folder “WgaLogon” and all content with name WgaLogon. If there is no WgaLogon folder continue with next steps.
3. Restart your computer. After restart WGA will not be active and you can remove it completely following the next steps:
4. Set your folders options to show hidden and protected Windows files – go to My Computer/Tools/Folder Options and then choose View. From the View tab choose “Show hidden files and folders” and uncheck “Hide protected operating system files” and click OK
5. Now, Go to folder Windows\System32\dllcache, find and delete “WgaTray.exe”. Also, check for “WgaTray.exe” in Windows\System32\, and if you find it delete it, and search for “Wga*.*” with Start-Search-Allfiles and folders and delete everything that starts with “Wga” (Wgatray.exe; Wgalogon.dll, Wgasetup; etc..)
6. Restart your computer again and live happy and free.

Taken from : http://www.detector-pro.com/2009/03/how-to-remove-windows-xp-genuine.htmlhttp://www.detector-pro.com/2009/03/how-to-remove-windows-xp-genuine.html