Hi,
Thanks for posting in Microsoft Q&A forum.
It's a little strange now. Please help check below event logs under Applications and Services Logs to see if we can find any useful information:
Microsoft-Windows-DeviceManagement-Enterprise-Diagnostics-Provide
Microsoft-Windows-WDAG-PolicyEvaluator-CSP
Microsoft-Windows-Windows Defender-Operational
Thanks for your time.
Best regards,
Simon
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