Fix 'python' Command Not Found in Windows PowerShell - Troubleshooting Nginx Upstream Connection Refused 443-Resolving Git SSL Certificate Error: Local Issuer Not Found

Updated 2026-07-28 08:40:49developer-tools
Fix 'python' Command Not Found in Windows PowerShell - Troubleshooting Nginx Upstream Connection Refused 443-Resolving Git SSL Certificate Error: Local Issuer Not Found
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.