Ещё точнее:
@%windir%\system32\regsvr32 -u %windir%\system32\LegitCheckControl.dll
@del %windir%\system32\LegitCheckControl.dll
@%windir%\system32\WgaTray.exe /u
@del %windir%\system32\wgatray.exe
@echo 127.0.0.1 mpa.one.microsoft.com>>%windir%\system32\drivers\e tc\hosts
@echo 127.0.0.1 mpa.microsoft.com>>%windir%\system32\drivers\etc\h osts
@echo 127.0.0.1 sls.microsoft.com>>%windir%\system32\drivers\etc\h osts
@ipconfig /flushdns
@echo y | del "%ALLUSERSPROFILE%\Application Data\Windows Genuine Advantage\data"
@echo y | reg delete "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\WgaLogon"