[BUG] bug claude in chrome problem from installing claude desktop problem

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?

• OS: Windows 11
• Claude Desktop version: 1.6608.2.0 (UWP from claude.com/download)
• Chrome extension version: 1.0.70
• Issue: Chrome extension sidepanel resets every 5 seconds, cannot establish

Native Messaging Host connection

• Native Messaging Host registry created in UWP sandbox path that Chrome

cannot access: C:\Users\<user>\AppData\Local\Packages\Claude_pzs8sxrjxfjjc\
LocalCache\Roaming\Claude\ChromeNativeHost\

• Tried: uninstall, restart, reinstall — same result

What Should Happen?

Claude in chrome should be use by smoothly without reset or time out.

Error Messages/Logs

Steps to Reproduce

<img width="1341" height="657" alt="Image" src="https://github.com/user-attachments/assets/76836e2c-255c-4692-9170-850bf4162c4b" />

Claude Model

None

Is this a regression?

No, this never worked

Last Working Version

_No response_

Claude Code Version

Claude Desktop version: 1.6608.2.0

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

PowerShell

Additional Information

• OS: Windows 11
• Claude Desktop version: 1.6608.2.0 (UWP from claude.com/download)
• Chrome extension version: 1.0.70
• Issue: Chrome extension sidepanel resets every 5 seconds, cannot establish

Native Messaging Host connection

• Native Messaging Host registry created in UWP sandbox path that Chrome

cannot access: C:\Users\<user>\AppData\Local\Packages\Claude_pzs8sxrjxfjjc\
LocalCache\Roaming\Claude\ChromeNativeHost\

• Tried: uninstall, restart, reinstall — same result