How to Fix Git Push Rejected (Non Fast-Forward Error) - Resolve Git Authentication Failed in VS Code macOS-Safe Docker Desktop Engine Reinstall Guide

Updated 2026-07-28 09:15:27security-tools
How to Fix Git Push Rejected (Non Fast-Forward Error) - Resolve Git Authentication Failed in VS Code macOS-Safe Docker Desktop Engine Reinstall 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.