Fix Microsoft Store App Installation Errors on Mac - Fix Windows Activation Service High RAM Usage-Windows Update Connection Refused: 0x80072efd Fix

Updated 2026-06-14 13:36:47security-tools
Fix Microsoft Store App Installation Errors on Mac - Fix Windows Activation Service High RAM Usage-Windows Update Connection Refused: 0x80072efd 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.