Fix Windows Defender 502 Bad Gateway Permission Denied - How to Fix Certbot Certificate Renewal Failures-Fix 'Connection Refused' in Microsoft Store on Windows 11

Updated 2026-06-14 17:40:22developer-tools
Fix Windows Defender 502 Bad Gateway Permission Denied - How to Fix Certbot Certificate Renewal Failures-Fix 'Connection Refused' in Microsoft Store on Windows 11
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.