Fix Outlook Connection Refused Error 0x80040115 - Chrome Not Responding on macOS Ventura: Troubleshooting Guide-Troubleshoot Authentication Failed Errors in CMD

Updated 2026-06-14 11:48:15office-tools
Fix Outlook Connection Refused Error 0x80040115 - Chrome Not Responding on macOS Ventura: Troubleshooting Guide-Troubleshoot Authentication Failed Errors in CMD
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.