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Fix Windows Defender Network Connection Issues - How to Resolve DNS Server Not Responding in Windows Search-Fixing Cloudflare Tunnel DNS Errors: A Practical Guide

Updated 2026-06-13 16:05:13developer-tools
Fix Windows Defender Network Connection Issues - How to Resolve DNS Server Not Responding in Windows Search-Fixing Cloudflare Tunnel DNS Errors: A Practical Guide
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.