Reduce Microsoft Teams High CPU Usage: Practical Fixes - Command Prompt Fixes: A Step-by-Step Checklist-Fix Windows Security Service Failed to Start Error 0x80070422

Updated 2026-06-14 01:06:21windows-fixes
Reduce Microsoft Teams High CPU Usage: Practical Fixes - Command Prompt Fixes: A Step-by-Step Checklist-Fix Windows Security Service Failed to Start Error 0x80070422
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.