OneDrive High CPU Usage Troubleshooting Checklist - Fix Windows Security High CPU Usage: Step-by-Step-Fix Outlook Connection Timeout Due to Antivirus Interference

Updated 2026-06-14 00:27:19browser-issues
OneDrive High CPU Usage Troubleshooting Checklist - Fix Windows Security High CPU Usage: Step-by-Step-Fix Outlook Connection Timeout Due to Antivirus Interference
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.