1. Open “My Computer” and navigate to the “Windows/System32” folder on your root drive.
2. Click the 'Tools' menu and open 'Folder options.' Click the 'View' tab and clear the 'hide extensions for known files types' box in the 'Advanced Settings” section. Click 'OK' to save changes.

3. Rename the following files: “WgaLogon.dll” to “WgaLogon.old,” and “WgaTray.exe” to “WgaTray.old.”
4. Restart the computer to save changes.