Check if network protection is enabled Check if network protection has been enabled on a local device by using Registry editor. Select the Start button in the task bar and type regedit to open Registry editor. Choose HKEY_LOCAL_MACHINE from the side menu. Navigate through the nested menus to SOFTWARE > Policies > Microsoft > Windows Defender > Policy Manager. If the Key is missing, Navigate to SOFTWARE > Microsoft > Windows Defender > Windows Defender Exploit Guard > Network Read More