Fix Outlook High Memory Usage Caused by OST Sync Issues - Fix Scheduled Tasks That Fail After Windows Migration-Windows Defender Path Not Found Troubleshooting Guide

Updated 2026-06-18 03:04:27macos-help
Fix Outlook High Memory Usage Caused by OST Sync Issues - Fix Scheduled Tasks That Fail After Windows Migration-Windows Defender Path Not Found Troubleshooting Guide
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.