Fix Windows Update Stuck on Login Screen: Practical Steps - Resolve Task Scheduler 'Connection Refused' Error-Turn Off Windows Defender Real-Time Protection for Speed

Updated 2026-06-13 18:36:47office-tools
Fix Windows Update Stuck on Login Screen: Practical Steps - Resolve Task Scheduler 'Connection Refused' Error-Turn Off Windows Defender Real-Time Protection for Speed
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.