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Fix Git Authentication Failed in VS Code on Mac - How to Create a New Branch from a Detached HEAD in Git-How to Resolve Error 521 Web Server Down

Updated 2026-07-28 12:52:31browser-issues

Fix Git Authentication Failed in VS Code on Mac - How to Create a New Branch from a Detached HEAD in Git-How to Resolve Error 521 Web Server Down

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.