If the computer, doesn't belong to a Domain, then the above error(s) appear after installing a third-party antivirus, or after a virus attack.
'Real time protection is managed by your administrator', commonly appears on business computers where the Antivirus Protection is managed by the domain Administrator. The Windows Defender messages (errors): 'Your Virus & threat protection is managed by your organization', 'Some settings are managed by your organization' &
This tutorial contains instructions to resolve the following problem in Windows Defender Security Center: 'Your Virus and threat protection is managed by your organization' in Windows 10 OS.
