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Fix Git 'index.lock' File Exists Error on Linux - Fix Windows Defender Real-Time Protection Stuck Off in Windows 11-How to Fix Cloudflare Error 526: Invalid Origin Certificate

Updated 2026-07-28 16:16:44cloud-software

Fix Git 'index.lock' File Exists Error on Linux - Fix Windows Defender Real-Time Protection Stuck Off in Windows 11-How to Fix Cloudflare Error 526: Invalid Origin Certificate

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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