Fix Windows Security Login Loop and Sync Issues - How to Fix Error 0x80073712 by Repairing System Files-Task Scheduler White Window Troubleshooting

Updated 2026-06-13 19:52:17windows-fixes
Fix Windows Security Login Loop and Sync Issues - How to Fix Error 0x80073712 by Repairing System Files-Task Scheduler White Window Troubleshooting
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.