[BUG] Fresh install, never worked, no crash report generated

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?

When trying to install Claude Cowork on my Mac (Tahoe 26.4) I get "Claude Desktop failed to launch".

What Should Happen?

Anthropic should fix the install code to handle 26.4

Error Messages/Logs

Steps to Reproduce

1. Download cowork
2. Install
3. Run
4. Get error

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

Current

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

_No response_