Certbot Nginx Plugin Permission Denied: Fixes and Checks - Fix 'No matching distribution found' Error in pip-Troubleshoot Windows Defender Error Code 404

Updated 2026-06-13 13:42:22macos-help
Certbot Nginx Plugin Permission Denied: Fixes and Checks - Fix 'No matching distribution found' Error in pip-Troubleshoot Windows Defender Error Code 404
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.