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claude-code - 💡(How to fix) Fix [BUG] 2.1.146 invalid signature strict validation

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Error Message

Receive following error message when trying to use the Code tab to send initial prompt:

Error Messages/Logs

Code Example

Claude Code couldn't start
The Claude Code binary is missing or damaged. Reinstall Claude Desktop to continue.
View details
Claude Code process exited with code 127

Failed to spawn process: Malformed Mach-o file
RAW_BUFFERClick to expand / collapse

Preflight Checklist

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

What's Wrong?

Initial install of Desktop MacOS Claude Code on Apple M2.

Receive following error message when trying to use the Code tab to send initial prompt:

<img width="693" height="147" alt="Image" src="https://github.com/user-attachments/assets/73fdf02a-fcf9-45d5-ba90-c1edd262f1db" />

Claude Code couldn't start The Claude Code binary is missing or damaged. Reinstall Claude Desktop to continue. View details Claude Code process exited with code 127

Failed to spawn process: Malformed Mach-o file

What Should Happen?

Should analyze and parse prompt correctly

Error Messages/Logs

Claude Code couldn't start
The Claude Code binary is missing or damaged. Reinstall Claude Desktop to continue.
View details
Claude Code process exited with code 127

Failed to spawn process: Malformed Mach-o file

Steps to Reproduce

Install Claude MacOS Desktop app

Input prompt in <>Code tab

Hit Enter

Claude Model

None

Is this a regression?

I don't know

Last Working Version

No response

Claude Code Version

2.1.46

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

Used Claude web app to try to diagnose problem. Went very deep into analyzing issues, and ultimately decided it was a bugged build. Directed me to file this bug ticket.

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claude-code - 💡(How to fix) Fix [BUG] 2.1.146 invalid signature strict validation