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Fix Nginx Upstream Connection Refused Error - Node Sass Build Failed in package.json Fix-How to Enable Windows Defender Real-Time Protection via Registry

Updated 2026-07-28 13:48:05developer-tools
Fix Nginx Upstream Connection Refused Error - Node Sass Build Failed in package.json Fix-How to Enable Windows Defender Real-Time Protection via Registry
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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