Most Windows Update registry changes require a restart of the :
For per-user or per-machine settings not managed by Group Policy, review: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate windows update registry settings
The hour you want active time to end (e.g., 17 for 5:00 PM). Most Windows Update registry changes require a restart
Most Windows Update configurations are stored in a specific "hive" of the registry: HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU . windows update registry settings