Operiamo in questo modo:
Apri il blocco note.
Copia/incolla quanto compreso fra le linee tratteggiate.
Salva il file con il nome WU.BAT
Avvia questo file e dai ok a tutti gli avvisi di protezione e conferma.
Riavvia il sistema operativo.
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net stop bits
net stop wuauserv
del /f /q %windir%\WindowsUpdate.log
del /f /s /q %windir%\SoftwareDistribution\*.*
%windir%\system32\regsvr32.exe /s %windir%\system32\atl.dll
%windir%\system32\regsvr32.exe /s %windir%\system32\jscript.dll
%windir%\system32\regsvr32.exe /s %windir%\system32\msxml3.dll
%windir%\system32\regsvr32.exe /s %windir%\system32\softpub.dll
%windir%\system32\regsvr32.exe /s %windir%\system32\wuapi.dll
%windir%\system32\regsvr32.exe /s %windir%\system32\wuaueng.dll
%windir%\system32\regsvr32.exe /s %windir%\system32\wuaueng1.dll
%windir%\system32\regsvr32.exe /s %windir%\system32\wucltui.dll
%windir%\system32\regsvr32.exe /s %windir%\system32\wups.dll
%windir%\system32\regsvr32.exe /s %windir%\system32\wups2.dll
%windir%\system32\regsvr32.exe /s %windir%\system32\wuweb.dll
REG DELETE "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate" /v AccountDomainSid /f
REG DELETE "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate" /v PingID /f
REG DELETE "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate" /v SusClientId /f
net start bits
net start wuauserv
wuauclt /resetauthorization /detectnow
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