Fix Windows Update High CPU Usage and Error 0x80070002 - Reduce Windows Defender CPU Usage: Disable Real-Time Protection-Port Already in Use: Docker Compose Fix

Updated 2026-06-14 03:12:24windows-fixes
Fix Windows Update High CPU Usage and Error 0x80070002 - Reduce Windows Defender CPU Usage: Disable Real-Time Protection-Port Already in Use: Docker Compose Fix
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.