Windows Defender File Locked: How to Fix It - How to Fix Access Denied in Windows Security as Admin-OneDrive DNS Sync Error Windows 11 Fix

Updated 2026-06-14 00:01:48backup-recovery
Windows Defender File Locked: How to Fix It - How to Fix Access Denied in Windows Security as Admin-OneDrive DNS Sync Error Windows 11 Fix
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.