DNS Probe Finished NXDOMAIN vs Server Not Found: Key Differences - Troubleshoot Windows Defender Real-Time Protection-How to Turn Windows Defender Real-Time Protection Back On

Updated 2026-07-28 14:56:07backup-recovery
DNS Probe Finished NXDOMAIN vs Server Not Found: Key Differences - Troubleshoot Windows Defender Real-Time Protection-How to Turn Windows Defender Real-Time Protection Back On
Before changing system settings, save your work and note the exact error text so you can compare results after each step.

Extra verification checklist

  • Restart the affected app after changing permissions or configuration files.
  • Test the same workflow in a clean browser profile or a temporary user account.
  • Compare the result on another network if the error may be connection related.