Fix Windows Defender Real-Time Protection Authentication Failed - Task Scheduler Not Syncing with Microsoft Account? Try This-How to Fix Task Scheduler Stuck on Running State

Updated 2026-06-13 20:02:00macos-help
Fix Windows Defender Real-Time Protection Authentication Failed - Task Scheduler Not Syncing with Microsoft Account? Try This-How to Fix Task Scheduler Stuck on Running State
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.