Fix 'OneDrive File Locked by Another User' Sync Stuck - Fix 0x80070422: Windows Defender Real-Time Protection Not Starting-Fix Microsoft Teams Camera Not Working with Virtual Background

Updated 2026-06-14 16:00:36backup-recovery
Fix 'OneDrive File Locked by Another User' Sync Stuck - Fix 0x80070422: Windows Defender Real-Time Protection Not Starting-Fix Microsoft Teams Camera Not Working with Virtual Background
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.