This policy setting turns off real-time protection prompts for known malware detection.Windows Defender alerts you when malware or potentially unwanted software attempts to install itself or to run on your computer.If you enable this policy setting Windows Defender will not prompt users to take actions on malware detections.If you disable or do not configure this policy setting Windows Defender will prompt users to take actions on malware detections.
Policy path:
Windows Components\Windows Defender\Real-time Protection 
Scope:
Machine 
Supported on:
At least Windows Vista 
Registry settings:
HKLM\Software\Policies\Microsoft\Windows Defender\Real-Time Protection!DisableRealtimeMonitoring 
Filename:
WindowsDefender.admx 
