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Fix Git SSL Certificate Problem on macOS: Unable to Get Local Issuer - Resolve Cloudflare 521 Error (Port 443 Blocked)-How to Enable Windows Update Service Post Clean Boot

Updated 2026-07-28 09:01:05office-tools

Fix Git SSL Certificate Problem on macOS: Unable to Get Local Issuer - Resolve Cloudflare 521 Error (Port 443 Blocked)-How to Enable Windows Update Service Post Clean Boot

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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