Fix Microsoft Teams Startup Folder Not Working - Troubleshooting Windows Security 0x80070422-Jupyter Kernel Won't Start Python Environment

Updated 2026-06-19 08:18:02backup-recovery
Fix Microsoft Teams Startup Folder Not Working - Troubleshooting Windows Security 0x80070422-Jupyter Kernel Won't Start Python Environment
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.