[BUG] Claude desktop version is unavailable.

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?

I’ve installed the Claude desktop app, but it won’t work. I’ve tried many solutions and none of them worked. How should I troubleshoot this issue?
Here are my environment details and error messages.

<img width="460" height="82" alt="Image" src="https://github.com/user-attachments/assets/48a48ea5-98b3-4092-a729-7cbee24281d0" />

<img width="650" height="92" alt="Image" src="https://github.com/user-attachments/assets/1b7900ff-ca84-40e4-a66f-aceb832ec351" />

What Should Happen?

<img width="947" height="275" alt="Image" src="https://github.com/user-attachments/assets/3a6aeab2-a476-42b3-85f4-5652522550ff" />

Error Messages/Logs

Steps to Reproduce

It’s hard to reproduce this issue on other computers. Please tell me how I can troubleshoot it.

Claude Model

Opus

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

2.1.123 (Claude Code)

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

_No response_