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Fixing Nginx Upstream Connection Refused on Port 443 - Windows 11 WiFi No Internet? Antivirus May Be Blocking It-Guide to Clearing pnpm Cache on Any OS

Updated 2026-07-28 05:41:53office-tools

Fixing Nginx Upstream Connection Refused on Port 443 - Windows 11 WiFi No Internet? Antivirus May Be Blocking It-Guide to Clearing pnpm Cache on Any OS

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.