This article contains information about how to modify the registry. Make sure to back up the registry before you modify it. Make sure that you know how to restore the registry if a problem occurs.

To safely and easily uninstall the pilot version, you must install the general release version of WGA Notifications. If you do not install this version, you can follow the steps in this article to disable or uninstall the pilot version.

Note: If you are running a genuine copy of Windows and want to use WGA Notifications, you may receive messages to update Windows XP.

Disable WGA Notifications
1. Log on to the computer by using an account that has administrative permissions.

2. Make sure that the WGA Notifications version that exists on the computer is a pilot version. The version format for the pilot version is 1.5.0532.x. In this case, you can uninstall versions 527-532 only. For example, you can uninstall versions that range from 1.5.0527.0 to 1.5.0532.2. To find the WGA Notifications version, follow these steps:
a. Click Start, and then click Control Panel.
b. Double-click Add or uninstall Programs, locate and then click Windows Genuine Advantage Notifications, and then click Click here for support information.
c. In the Support Info dialog box, verify the version number, and then click Close
3.
Rename the following files by changing the extension to .old:
Rename %Windir%system32WgaLogon.dll to %Windir%system32WgaLogon.old
Rename %Windir%system32WgaTray.exe to %Windir%system32WgaTray.old

4. Restart the computer.

Manually uninstall WGA Notifications
1. Log on to the computer by using an account that has administrative permissions.
2. Make sure that the WGA Notifications version that exists on the computer is a pilot version. The version format for the pilot version is 1.5.0532.x. In this case, you can uninstall versions 527-532 only. For example, you can uninstall versions that range from 1.5.0527.0 to 1.5.0532.2. To find the WGA Notifications version, follow these steps:
a. Click Start, and then click Control Panel.
b. Double-click Add or uninstall Programs, locate and then click Windows Genuine Advantage Notifications, and then click Click here for support information.
c. In the Support Info dialog box, verify the version number, and then click Close
3. Rename the following files by changing the extension to .old:
Rename %Windir%system32WgaLogon.dll to %Windir%system32WgaLogon.old
Rename %Windir%system32WgaTray.exe to %Windir%system32WgaTray.old
4. Restart the computer.
5. Unregister LegitCheckControl.dll by using Regsvr32. To do this, follow these steps:
a. Click Start, click Run, type cmd, and then click OK.
b. At the command prompt, type the following, and then press ENTER
Regsvr32 %Windir%system32LegitCheckControl.dll /u
6. Restart the computer.
7. Click Start, click Run, type cmd, and then click OK.
8. At the command prompt, delete the following files by typing the Del command. Press ENTER after you type each command.

Del %Windir%system32wgalogon.dll
Del %Windir%system32WgaTray.exe
Del %Windir%system32LegitCheckControl.dll
9. At the command prompt, type regedit.

10. Locate and then right-click the following registry subkeys. Click Delete after you locate each subkey.

HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsNT CurrentVersionWinlogonNotifyWgaLogon

HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsNT CurrentVersionWinlogonNotifyWgaLogon

HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindows CurrentVersion emoveremoveWgaNotify
11. Restart the computer