[BUG] Windows file-lock error

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 UI will be closed and I cannot open it again.

What Should Happen?

Claude UI should open.

Error Messages/Logs

See attached files.

Steps to Reproduce

After I worked with Claude some times the file-lock message appears.

Claude Model

Sonnet (default)

Is this a regression?

I don't know

Last Working Version

_No response_

Claude Code Version

2.1.247

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

Windows Terminal

Additional Information

<img width="360" height="125" alt="Image" src="https://github.com/user-attachments/assets/605bf2e9-b429-4073-86aa-61b5f23bfbd4" />

The bug report was created by Claude.
bug-report-claude-vm-service.md