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Fix VS Code Git Authentication Failed with Two-Factor Auth - Resolve Cloudflare 521 Error (Port 443 Blocked)-How to Fix Blue Screen After Windows 11 Update

Updated 2026-07-28 14:43:03productivity-apps

Fix VS Code Git Authentication Failed with Two-Factor Auth - Resolve Cloudflare 521 Error (Port 443 Blocked)-How to Fix Blue Screen After Windows 11 Update

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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