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Fix 'Task Scheduler Cannot Start Task: Port Already Allocated' - Mac Jupyter Notebook Token Invalid – Troubleshooting Guide-OneDrive Sync Error: Invalid Configuration Guide

Updated 2026-06-13 23:07:53developer-tools
Fix 'Task Scheduler Cannot Start Task: Port Already Allocated' - Mac Jupyter Notebook Token Invalid – Troubleshooting Guide-OneDrive Sync Error: Invalid Configuration Guide
Likely symptom
Likely cause
Safe rollback

Verification route

  • Repeat the original action, not only a simplified test case.
  • Restart the app or reload the service after configuration changes.