[Bug] Claude in Chrome extension not connecting to Claude Code on Windows 11
Resolved 💬 1 comment Opened Apr 29, 2026 by b78952016-ops Closed May 30, 2026
## 環境
- OS: Windows 11 Pro 10.0.26200
- Claude Code version: 2.1.114
- Chrome extension: Claude in Chrome (Beta)
- Account: logged in with same account on both Claude Code and extension
## 問題描述
Browser extension is not connected. The error message appears every time:
"Browser extension is not connected. Please ensure the Claude browser extension is installed and running."
## 已確認的設定
- Extension installed from Chrome Web Store ✓
- Extension enabled and pinned ✓
- Website access: All sites ✓
- Logged in with same account (b78952016@gmail.com) ✓
- Native messaging host configured in registry ✓
- HKCU\Software\Google\Chrome\NativeMessagingHosts\com.anthropic.claude_code_browser_extension
- chrome-native-host.bat exists and points to correct claude.exe path ✓
- Restarted Chrome multiple times ✓
## 重現步驟
- Install Claude in Chrome extension
- Log in with same account as Claude Code
- Run any mcp__claude-in-chrome__* tool in Claude Code
- Error: "Browser extension is not connected"
## 附加資訊
The extension popup works normally (shows claude.ai interface), but native messaging connection to Claude Code never
establishes.
This issue has 1 comment on GitHub. Read the full discussion on GitHub ↗