zhizhu
Home / macos-help / Fix Microsoft Store Sync Issues After a Failed Start - Windows Security Log Permission Error Troubleshooting-Cloudflare 521 Error Fix: Origin Server Unreachable

Fix Microsoft Store Sync Issues After a Failed Start - Windows Security Log Permission Error Troubleshooting-Cloudflare 521 Error Fix: Origin Server Unreachable

2026-06-13 18:10:33macos-help
Fix Microsoft Store Sync Issues After a Failed Start - Windows Security Log Permission Error Troubleshooting-Cloudflare 521 Error Fix: Origin Server Unreachable

Final checklist

  • Confirm that the same symptom is gone after a restart or refresh.
  • Keep the smallest working change and undo temporary diagnostic settings.