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Fix Nginx Upstream Connection Refused Socket Error - Resolve VS Code Git 2FA Authentication Failure-How to Remove Stale index.lock in Git on Windows

Updated 2026-07-28 14:32:18cloud-software
Fix Nginx Upstream Connection Refused Socket Error - Resolve VS Code Git 2FA Authentication Failure-How to Remove Stale index.lock in Git on Windows
Before changing system settings, save your work and note the exact error text so you can compare results after each step.

Extra verification checklist

  • Restart the affected app after changing permissions or configuration files.
  • Test the same workflow in a clean browser profile or a temporary user account.
  • Compare the result on another network if the error may be connection related.

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