Chrome native host crashes on Windows 11 - Bun internal assertion failure

Resolved 💬 3 comments Opened Jan 30, 2026 by onebrady Closed Feb 3, 2026

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?

Claude Code version: 2.1.25
OS: Windows 11

The chrome native host crashes immediately on startup:

[Claude Chrome Native Host] Initializing...
[Claude Chrome Native Host] Creating socket listener: \\.\pipe\claude-mcp-browser-bridge-onebr

panic(main thread): Internal assertion failure
oh no: Bun has crashed.

Bun crash report: https://bun.report/1.3.5/e_11e86cebEugggC++08F+mvBoxhkf0389e__0shkwCA0eNrzzCtJLcpLzFFILC5OLSrJzM9TSEvMzCktSgUAiSkKPg

Clean reinstall did not fix the issue.

What Should Happen?

chrome should open

Error Messages/Logs

Steps to Reproduce

ask claude to check chrome

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

2.1.25

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

PowerShell

Additional Information

_No response_

View original on GitHub ↗

This issue has 3 comments on GitHub. Read the full discussion on GitHub ↗