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Jupyter Kernel Stuck on Connecting: Practical Fixes - Troubleshooting OpenVPN TLS Handshake Failure-Fix Command Prompt Error 0xc0000142 on Windows

2026-06-14 06:30:15developer-tools
Jupyter Kernel Stuck on Connecting: Practical Fixes - Troubleshooting OpenVPN TLS Handshake Failure-Fix Command Prompt Error 0xc0000142 on Windows

Final checklist

  • Confirm that the same symptom is gone after a restart or refresh.
  • Keep the smallest working change and undo temporary diagnostic settings.