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Fix VS Code Git Authentication Failed Keychain Error - Docker Socket Permission Issues Causing Nginx 502-Proxy Blocking Chrome Sync? Step-by-Step Guide

Updated 2026-07-28 13:16:02security-tools
Fix VS Code Git Authentication Failed Keychain Error - Docker Socket Permission Issues Causing Nginx 502-Proxy Blocking Chrome Sync? Step-by-Step Guide
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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