Outlook SSL Certificate Error: Step-by-Step Fix - Resolve PowerShell Connection Refused Errors-Windows 11 Outlook Offline Installer Troubleshooting

Updated 2026-06-14 02:44:04security-tools
Outlook SSL Certificate Error: Step-by-Step Fix - Resolve PowerShell Connection Refused Errors-Windows 11 Outlook Offline Installer Troubleshooting
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.