DNS Probe Finished NXDOMAIN: Fix When ipconfig /flushdns Fails - Windows Update 0x80070005 Troubleshooting Guide-How to Fix Cloudflare 521 Error Due to Proxy Issues
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.