How do I remove this update Windows Genuine Advantage Notifications (KB905474)

Windows Genuine Advantage
Notifications (KB905474) I got this update system always prompts the victim may be pirated, how to delete this update? From the Add or Remove Programs can not remove the two-step lift
pirated Windows XP warning
TweakTown announced the lifting of pirated Microsoft Genuine Advantage Windows
XP system “warning content” way.
1. First, restart your computer in Safe mode, log the administrator account – to ensure you have access to Windows \ system32 and Windows \ system32 \ dllcache path permissions. In both path has a file called WGATray.EXE. You have two paths are removed under WGATray.EXE – this will prevent the pop-up when Windows starts “piracy XP” balloon.
delete the Windows \ system32 under WGATray.EXE may need a bit tricky:
step played a: WGATray.EXE icon -> right click -> Delete -> delete confirmation box appears After the first not to press the K button
played two steps: Ctrl Alt Del -> Open Process Manager -> find WGATray.EXE–> Delete -> delete confirmation box appears after the first, do not press K button
played three steps: first by the process manager to open the delete confirmation button, and then played with the fastest speed by one-step delete confirmation button.
played four steps: If Windows \ system32 under WGATray.EXE not appear, on behalf of a successful operation. Continue to remove Windows \ system32 \ dllcache under WGATray.EXE.
2. into the registry, enter
HKEY_LOCAL_MACHINE \ SOFTWARE \ Microsoft \ Windows
NT \ CurrentVersion \ Winlogon \ Notify
delete the “WGALOGON “folder – it will not load a Windows DLL file any WGA.
restart the computer, you will break from the Microsoft Genuine Advantage “harassment.”