[BUG] Windows 11 Pro - not running Co Work

Resolved 💬 3 comments Opened Apr 16, 2026 by TommyGun178 Closed Apr 19, 2026

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?

I can't seem to run Claude Co Work on my desktop after upgrading to the pro plan. My details are below.

Windows 11 Pro
Pro plan
Error: yukonSilver not supported (status=unsupported)
HyperVisorPresent = True
Claude version Claude 1.2773.0.0

What Should Happen?

Claude Co Work should run.

Error Messages/Logs

Steps to Reproduce

Download Claude on Windows 11 PRO, upgrade and then try operate Co Work.

Claude Model

Sonnet (default)

Is this a regression?

I don't know

Last Working Version

_No response_

Claude Code Version

1.2773.0.0

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

PowerShell

Additional Information

_No response_

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