Windows 11 Installation Assistant Stuck at 99%: How to Reset and Finish - Fix 0x80070002 Error by Resetting Windows Update Components-Enable Wildcard Subdomain on Cloudflare – Practical 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.