Fix VS Code Git Authentication Failed Keychain Error - Git --allow-unrelated-histories: Preserve All Commits-Python Dependency Conflict Troubleshooting Guide

Updated 2026-07-28 02:33:18network-tools
Fix VS Code Git Authentication Failed Keychain Error - Git --allow-unrelated-histories: Preserve All Commits-Python Dependency Conflict Troubleshooting 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.