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Fix Docker Daemon Not Running on Ubuntu 20.04 - Windows Update Error 0x80070643: Troubleshooting Checklist-Troubleshoot Port Allocation Failure in Docker Compose

2026-06-13 12:46:24cloud-software
Fix Docker Daemon Not Running on Ubuntu 20.04 - Windows Update Error 0x80070643: Troubleshooting Checklist-Troubleshoot Port Allocation Failure in Docker Compose

Final checklist

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