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Fix 'Command Not Found' Error on Mac Terminal - How to Start Docker Daemon on Ubuntu 20.04-Windows Defender Sync Problems: Quick Fix Guide

Updated 2026-06-14 14:42:12developer-tools
Fix 'Command Not Found' Error on Mac Terminal - How to Start Docker Daemon on Ubuntu 20.04-Windows Defender Sync Problems: Quick Fix 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.