Fix Windows Defender Real-Time Protection Stuck Off - OneDrive Not Syncing All Folders After Migration: Fixes-Troubleshooting Outlook Error Code 0x80040154

Updated 2026-06-13 21:47:10cloud-software
Fix Windows Defender Real-Time Protection Stuck Off - OneDrive Not Syncing All Folders After Migration: Fixes-Troubleshooting Outlook Error Code 0x80040154
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.