Bypass WSUS server
1) Open your registry editor 2) Browse and delete to HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\WindowsUpdate\WUServer and HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\WindowsUpdate\WUStatusServer 3) Browse to HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU 4) Change the key UseWUServer from 1 to 0 5) Restart the Windows Update service 6) Run Windows Update and it should connect and downloads start