11. Locate and delete the last subkeys (folders) in these locations in the Registry. (Note: HKLM stands for HKEY_Local_Machine.)

HKLM\SOFTWARE\Microsoft\WindowsNT\CurrentVersion\Winlogon\Notify\WgaLogon

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\WgaNotify

Note: Just to be clear, for that first line, you would navigate through the Registry beginning with HKEY_Local_Machine area, tunneling in by opening each folder named in the Registry path until you can see the WgaLogon folder on the left side of the Registry Editor. Then just delete that folder. Repeat for the other Registry subkey, WgaNotify.

12. That ends Microsoft's initial instructions. On my computers, I reboot my computer at this point. When it comes back up, I search the entire Registry for WGA and remove all subkeys that are clearly related to WGA. They frequently appear in pairs with the subkeys of WGA and WgaNotify side by side. Here are the locations I usually find: