Your Virus & threat protection is managed by your organization

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This post describes how to enable Windows Defender when the following is shown:

Your Virus & threat protection is managed by your organization.

Your Virus & threat protection is managed by your organization screenshot

Cause

This message is shown when Windows Defender is turned off in group policy:

Group Policy - Turn off Windows Defender Antivirus

Resolution

Disable the 'Turn off Windows Defender Antivirus' group policy setting then run gpupdate in a command window.

You can verify Windows Defender is now enabled by checking the value of the DisableAntiSpyware key is 0 in the registry.

HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\DisableAntiSpyware

DisableAntiSpyware registry key

Virus & threat protection will now say:

Threat service has stopped. Restart it now.

Threat service has stopped. Restart it now. Screenshot

Press Restart now and Windows Defender should now be enabled:

Virus & threat protection started

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