[BUG] Claude Desktop install fails on Windows 11 - AddPackage HRESULT 0x80073CF9

Preflight Checklist

• [x] I have searched existing issues and this hasn't been reported yet
• [x] This is a single bug report (please file separate reports for different bugs)
• [x] I am using the latest version of Claude Code

What's Wrong?

[BUG] installation failed 0x80073cf9 설치시 문제가 있네요

클로드 ai가 해보라는거는 다해봤는데 안되네요.

What Should Happen?

ClaudeSetup.log

Error Messages/Logs

Steps to Reproduce

클라우드 설치시 오류 생김 installation failed 0x80073cf9

Claude Model

None

Is this a regression?

I don't know

Last Working Version

_No response_

Claude Code Version

5.1

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

PowerShell

Additional Information

_No response_