Add Python to PATH on Windows 10 When 'Command Not Found' - Troubleshoot Cloudflare 521 and Proxy Issues-Solving 'Fatal: Remote Origin Already Exists' in Git

Updated 2026-07-28 09:55:28browser-issues
Add Python to PATH on Windows 10 When 'Command Not Found' - Troubleshoot Cloudflare 521 and Proxy Issues-Solving 'Fatal: Remote Origin Already Exists' in Git
Before changing system settings, save your work and note the exact error text so you can compare results after each step.

Extra verification checklist

  • Restart the affected app after changing permissions or configuration files.
  • Test the same workflow in a clean browser profile or a temporary user account.
  • Compare the result on another network if the error may be connection related.