Task Scheduler Connection Timeout and Permissions Fix - Fix Windows Activation Error 0x8007000d Connection Refused-Jupyter Kernel Fails to Start – Troubleshooting Guide

Updated 2026-06-13 23:43:10developer-tools
Task Scheduler Connection Timeout and Permissions Fix - Fix Windows Activation Error 0x8007000d Connection Refused-Jupyter Kernel Fails to Start – Troubleshooting Guide
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.