[BUG] Launching claude but showing bun

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 use Windows and, as usual, I typed "claude" in the terminal.

But strangely, today a bun interface appeared, and I couldn't use Claude!

<img width="1481" height="885" alt="Image" src="https://github.com/user-attachments/assets/20c483a3-a5e0-4b22-a621-33d2e9d746c0" />

What Should Happen?

When Claude starts up

Error Messages/Logs

Steps to Reproduce

1. Enter claude in the Windows Terminal

Claude Model

None

Is this a regression?

I don't know

Last Working Version

_No response_

Claude Code Version

2.1.39

Platform

Anthropic API

Operating System

Windows 11

Terminal/Shell

powershell Windows

Additional Information

_No response_