Fix Missing Edge Sync Option in Settings - Fix Explorer Crashing with System File Checker-Troubleshoot Windows Update Service Not Starting

Updated 2026-07-28 16:20:32office-tools
Fix Missing Edge Sync Option in Settings - Fix Explorer Crashing with System File Checker-Troubleshoot Windows Update Service Not Starting
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.