Phục hồi lại Windows Update ?

Mở Notepad và chép đoạn mã sau vào : Windows Registry Editor Version 5.00 [-HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Group Policy Objects\LocalUser\Software\Microsoft\Windows\CurrentVersion\Policies\WindowsUpdate\Disable WindowsUpdateAccess] [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] "NoWindowsUpdate"=dword:00000000 [HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] "NoWindowsUpdate"=dword:00000000 [HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\WindowsUpdate\AU] "NoAutoUpdate"=dword:00000000 "AUOptions"=dword:00000000 [-HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\WindowsUpdate] [-HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\WindowsUpdate] [-HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] "NoDevMgrUpdate"=dword:00000000 [HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main] "NoUpdateCheck"=dword:00000000 [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\WindowsUpdate] "DisableWindowsUpdateAccess"=dword:00000000 [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] "NoWindowsUpdate"=dword:00000000 Lưu lại và đặt tên là restorewindowsupdate.reg