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Python venv Not Working on Windows 10: Common Fixes - How to Fix Nginx Upstream Connection Refused-DNS_PROBE_FINISHED_NXDOMAIN: ipconfig flushdns Not Working

Updated 2026-07-28 13:53:14developer-tools
Python venv Not Working on Windows 10: Common Fixes - How to Fix Nginx Upstream Connection Refused-DNS_PROBE_FINISHED_NXDOMAIN: ipconfig flushdns Not Working
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.