How to Enable Windows Security in Windows 11 - Fix Outlook 'Not Connecting to Server' Network Error-Windows Update Error: Connection Refused Due to Firewall

Updated 2026-06-15 18:54:37cloud-software
How to Enable Windows Security in Windows 11 - Fix Outlook 'Not Connecting to Server' Network Error-Windows Update Error: Connection Refused Due to Firewall
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.