Jupyter Kernel Not Starting: Quick Fixes - Fix OneDrive 'Connection Refused' Error After Update-Create Chrome Profile with Offline Installer

Updated 2026-06-15 23:21:05macos-help
Jupyter Kernel Not Starting: Quick Fixes - Fix OneDrive 'Connection Refused' Error After Update-Create Chrome Profile with Offline Installer
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.