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Fix Windows 11 Update Stuck at 0% with Clean Boot - How to Fix Git Detached HEAD and Checkout a Branch-Fix Git 'index.lock' File Exists Error on Linux

Updated 2026-07-28 05:03:01developer-tools

Fix Windows 11 Update Stuck at 0% with Clean Boot - How to Fix Git Detached HEAD and Checkout a Branch-Fix Git 'index.lock' File Exists Error on Linux

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.