[BUG] Claude Desktop Cowork crashed after update

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?

after updating to MacOS Tahoe 26.4.1 (25E253) , claude cowork within claude dektop crashes

What Should Happen?

claude cowork should stay stable

Error Messages/Logs

Steps to Reproduce

open claude desktop, go to a project, enter a prompt and hit enter. claude desktop crashes

Claude Model

Sonnet (default)

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

Claude 1.2773.0 (884b37)

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

_No response_