Fix Chrome High CPU Usage on Mac: Practical Steps - How to Resolve Microsoft Store Error 0x80073cf0 and High CPU-Fix 'Port Already in Use' on Windows – Step by Step

Updated 2026-06-14 04:32:19windows-fixes
Fix Chrome High CPU Usage on Mac: Practical Steps - How to Resolve Microsoft Store Error 0x80073cf0 and High CPU-Fix 'Port Already in Use' on Windows – Step by Step
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.