Fix Task Scheduler Task Not Running Due to Permission Denied - How to Stop Windows Defender from Using 100% CPU-Outlook PST Permission Denied and High Memory: Troubleshooting Guide

Updated 2026-06-19 06:42:41office-tools
Fix Task Scheduler Task Not Running Due to Permission Denied - How to Stop Windows Defender from Using 100% CPU-Outlook PST Permission Denied and High Memory: 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.