Prevent Windows automatic updates reboot

Another one of those reminder posts: How to prevent the reboot triggered by the Windows automatic update feature.

  • Disable automatic updates completely. Not recommended.

  • Change the policy. Recommended.

    1. Start - Run - gpedit.msc

    2. Local Group Policy - Computer Configuration - Administrative Templates - Windows - Components - Windows Updates

      If you do not see the last element, use the context menu on Administrative Templates to add a new template. Pick the wuau.adm template and close the dialogs. Windows Updates should now show up.

    3. Activatge "No auto-restart for scheduled Automatic Updates Installations" and/or use a different warning interval.

On XP Home go to or create the following registry key/value HKEY_LOCAL_MACHINE \Software\Policies \Microsoft\Windows \WindowsUpdate\AU\NoAutoRebootWithLoggedOnUsers (Dword) and set it to either 0 (allow reboots) or 1 (disallow reboots).


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