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Fix Git index.lock File Exists Permission Denied Error - Windows 11 Blue Screen After Update? Run DISM Command-How to Recover from Git Detached HEAD State

Updated 2026-07-28 11:40:39macos-help

Fix Git index.lock File Exists Permission Denied Error - Windows 11 Blue Screen After Update? Run DISM Command-How to Recover from Git Detached HEAD State

Prepare

Execute

Validate

Document

Operational follow-up

Record the exact option, command, or setting that changed the result.
Keep a rollback note if the workflow affects shared files or team settings.

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