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_
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