Claude Code in Windows 11 unable to connect to Chrome browser with Claude extension

Resolved 💬 3 comments Opened Jan 30, 2026 by ahnberg Closed Mar 3, 2026

General information:

  • Windows 11 Version 25H2 (Build 26200.7623)
  • Google Chrome 144.0.7559.110 (Official Build) (64-bit) (cohort: Stable)
  • Chrome extension: Claude in Chrome (Beta) version 1.0.41
  • The crash happens when running claude --chrome-native-host
  • The panic occurs when creating the named pipe: \\.\pipe\claude-mcp-browser-bridge-ahnberg

Claude information:
2.1.23 (Claude Code)
Claude Code using Bun v1.3.5

I've sent a bug report to the bun.report link mentioned below as well.

C:\Users\ahnberg>claude --chrome-native-host
[Claude Chrome Native Host] Initializing...
[Claude Chrome Native Host] Creating socket listener: \\.\pipe\claude-mcp-browser-bridge-ahnberg
============================================================
Bun v1.3.5 (1e86cebd) Windows x64 (baseline)
Windows v.win11_dt
CPU: sse42 avx avx2 avx512
Args: "claude" "--chrome-native-host"
Features: Bun.stderr(2) Bun.stdin(2) Bun.stdout(2) jsc standalone_executable
Builtins: "bun:main" "node:assert" "node:async_hooks" "node:buffer" "node:child_process" "node:constants" "node:crypto" "node:domain" "node:events" "node:fs" "node:fs/promises" "node:http" "node:https" "node:module" "node:net" "node:os" "node:path" "node:path/posix" "node:path/win32" "node:perf_hooks" "node:process" "node:querystring" "node:stream" "node:timers/promises" "node:tls" "node:tty" "node:url" "node:util" "node:zlib" "node:worker_threads" "undici" "ws" "node-fetch" "node:inspector" "node:http2"
Elapsed: 245ms | User: 171ms | Sys: 218ms
RSS: 0.56GB | Peak: 0.56GB | Commit: 0.55GB | Faults: 136871 | Machine: 66.20GB

panic(main thread): Internal assertion failure
oh no: Bun has crashed. This indicates a bug in Bun, not your code.

To send a redacted crash report to Bun's team,
please file a GitHub issue using the link below:

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

View original on GitHub ↗

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