[BUG] error keeps coming with my claude desktop, even after I re-install by times

### Preflight Checklist

- [x] I have searched [existing issues](https://github.com/anthropics/claude-code/issues?q=is%3Aissue%20state%3Aopen%20label%3Abug) 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?

Failed to start Claude’s workspace
RPC error -1: SDK version 2.1.260 not verified at /mnt/.virtiofs-root/shared/c/Users/wt/AppData/Local/Claude-3p/claude-code-vm/2.1.260/.verified
Restarting Claude or your computer sometimes resolves this. If it persists, you can reinstall the workspace.

### What Should Happen?

--

### Error Messages/Logs

```shell
Failed to start Claude’s workspace
RPC error -1: SDK version 2.1.260 not verified at /mnt/.virtiofs-root/shared/c/Users/wt/AppData/Local/Claude-3p/claude-code-vm/2.1.260/.verified
Restarting Claude or your computer sometimes resolves this. If it persists, you can reinstall the workspace.
```

### Steps to Reproduce

Install the Claude 1.49585.0 (41ad1d) , Let claude check VM sandbox status. the error will happen after a while.

### Claude Model

None

### Is this a regression?

Yes, this worked in a previous version

### Last Working Version

_No response_

### Claude Code Version

1.49585.0 (41ad1d)

### Platform

Anthropic API

### Operating System

Windows

### Terminal/Shell

Terminal.app (macOS)

### Additional Information

_No response_

Start by reproducing the failure while Claude checks VM sandbox status on Windows with Claude Code 1.49585.0, then inspect the reported SDK path and .verified marker under the Claude workspace. Confirm whether reinstalling or restarting changes the result. Done means the workspace starts reliably without the RPC verification error.

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