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Fix Windows Defender Real-Time Protection Stuck Off in Windows 11 - Fix DNS Probe Finished NXDOMAIN After Windows Update-Cloudflare DNS Propagation Tips

Updated 2026-07-28 11:08:21browser-issues
Fix Windows Defender Real-Time Protection Stuck Off in Windows 11 - Fix DNS Probe Finished NXDOMAIN After Windows Update-Cloudflare DNS Propagation Tips
Likely symptom
Likely cause
Safe rollback

Verification route

  • Repeat the original action, not only a simplified test case.
  • Restart the app or reload the service after configuration changes.