Fix Windows Update Error 0x800f081f After SFC ScanNow - VS Code Source Control Not Detecting Changes After Git Reinstall-Git Merge Unrelated Histories vs Rebase: When and How to Use Each

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.