Fix OneDrive Sync Permission Denied Error - How to Recover Missing Windows Security App in Windows 11-Windows Terminal 0x80070020: File Locked Troubleshooting Guide

Updated 2026-06-14 07:24:22office-tools
Fix OneDrive Sync Permission Denied Error - How to Recover Missing Windows Security App in Windows 11-Windows Terminal 0x80070020: File Locked 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.