Fix Windows Update Login Loop After Update - Windows Update Stuck on Loading Screen Fix-Task Scheduler Proxy Error 0x80070643: Fix Guide

Updated 2026-06-15 19:08:24backup-recovery
Fix Windows Update Login Loop After Update - Windows Update Stuck on Loading Screen Fix-Task Scheduler Proxy Error 0x80070643: Fix Guide
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.