[BUG] Claude desktop not working on Tahoe OS (26.3.1 (a) (25D771280a))

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 I try downloading and installing the Claude desktop app on Apple with Tahoe 26.3.1 (a) (25D771280a) I get the following error message on install:

“Claude” is damaged and can’t be opened. You should move it to the Bin.

What Should Happen?

Resolve issue for Tahoe

Error Messages/Logs

Steps to Reproduce

1. On Mac OS Tahoe
2. Download Claude desktop app
3. Install

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

n/a

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

_No response_