How to Remove Windows Genuine Advantage Notification Screen

When you log on to a non-genuine copy of Windows XP, the following notification error message “This copy of Windows is not genuine” will pop-up on the logon process:

And the nicely said “You may be a victim of software counterfeiting” message on the bottom right corner of log-in screen:

Microsoft allows windows faithful's to have 2 options: Get Genuine or Resolve Later. Click on Resolve Later will temporarily bypass the notification and let you login into and use Windows nagged with notification icon and messages, which will randomly appear as balloon notification message with an icon in the notification area (system tray).

Clicking on the balloon notification or the notification area icon will lead you to the Windows Genuine Advantage Validation Failure Web page that contains the specifics of the validation failure and the steps that you can take to make the operating system genuine.

To get rid of the WGA notifications that intends to remind you that your Windows is not validated, you can buy a validly licensed copy of genuine Microsoft Windows.
With new release of WGA, some methods no longer works, and some has been updated.

Several methods that has certain success on certain people, you may try until you success.

1. Lauch Windows Task Manager.
2. End wgatray.exe process in Task Manager.
3. Restart Windows XP in Safe Mode.
4. Delete WgaTray.exe from c:\Windows\System32.
5. Delete WgaTray.exe from c:\Windows\System32\dllcache.
6. Lauch RegEdit.
7. Browse to the following location:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows NT\CurrentVersion\Winlogon\Notify
8. Delete the folder ‘WgaLogon’ and all its contents
9. Reboot Windows XP.

Note: With this method, you may be prompted to install WGA Notifications again which can still be unselected.