Fix Docker Compose Port Already in Use on Host - Windows Defender Setup Stuck: File Locked Error Fix-Fix Windows Security Cache Sync Errors: Step-by-Step Guide

Updated 2026-06-13 15:47:42office-tools
Fix Docker Compose Port Already in Use on Host - Windows Defender Setup Stuck: File Locked Error Fix-Fix Windows Security Cache Sync Errors: Step-by-Step Guide
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.