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Git index.lock File Exists: Quick Fix Checklist - Windows 11 Update Error 0x80070002: Causes and Fixes-Fix Windows Defender Real-Time Protection Permission Denied

Updated 2026-07-28 13:32:55developer-tools
Git index.lock File Exists: Quick Fix Checklist - Windows 11 Update Error 0x80070002: Causes and Fixes-Fix Windows Defender Real-Time Protection Permission Denied
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.