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How to Fix Git 'index.lock' File Exists Error - Docker Build Fails with Context Canceled Permission Denied-Fix VS Code Git Authentication Failed: Step-by-Step Guide

Updated 2026-07-28 13:43:34office-tools
How to Fix Git 'index.lock' File Exists Error - Docker Build Fails with Context Canceled Permission Denied-Fix VS Code Git Authentication Failed: Step-by-Step Guide
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.