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Fix 'port already allocated' Error in Docker Compose - Chrome Black Screen on External Monitor Fix-Edge Sync Not Working with Family Safety Fix

Updated 2026-07-28 09:41:53windows-fixes
Fix 'port already allocated' Error in Docker Compose - Chrome Black Screen on External Monitor Fix-Edge Sync Not Working with Family Safety Fix
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.