Home / office-tools / Fix Windows 11 Installation Assistant Stuck at 99% Due to Network Issues - How to Add a Bluetooth Device in Windows 11-How to Fix Cloudflare 522 Error: Step-by-Step Support Guide

Fix Windows 11 Installation Assistant Stuck at 99% Due to Network Issues - How to Add a Bluetooth Device in Windows 11-How to Fix Cloudflare 522 Error: Step-by-Step Support Guide

Updated 2026-07-28 04:59:31office-tools

Fix Windows 11 Installation Assistant Stuck at 99% Due to Network Issues - How to Add a Bluetooth Device in Windows 11-How to Fix Cloudflare 522 Error: Step-by-Step Support Guide

Likely symptom

Likely cause

Safe rollback

Verification route

Repeat the original action, not only a simplified test case.
Restart the app or reload the service after configuration changes.