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Fix ERR_NAME_NOT_RESOLVED Caused by Antivirus Block - How to Fix Nginx Upstream Connection Refused-Node Sass Build Error: Fix After Clearing npm Cache

Updated 2026-07-28 11:07:45cloud-software
Fix ERR_NAME_NOT_RESOLVED Caused by Antivirus Block - How to Fix Nginx Upstream Connection Refused-Node Sass Build Error: Fix After Clearing npm Cache
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.

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