[BUG] Cowork en Windows - Virtualization is not available

Resolved 💬 4 comments Opened Apr 6, 2026 by DiegoAlvP Closed May 21, 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?

OS: Windows 10 Pro 22H2 (Build 19045)
CoworkVMService: Running
Hyper-V: Enabled (DISM)
Virtual Machine Platform: Enabled
hypervisorlaunchtype: auto
Error: "La virtualización no está disponible — el servicio de virtualización no responde"
Logs de ClaudeSetup.log: instalación exitosa pero Cowork nunca inicializa, carpeta %APPDATA%\Claude\logs nunca se crea

What Should Happen?

It should let me work with Claude Cowork

Error Messages/Logs

Virtualization is not available
The Claude workspace requires the Virtual Machine Platform, but the virtualization service is not responding. Restart your computer to resolve this.

Steps to Reproduce

I started downloading the file, but it won't let me and gives me this error

Claude Model

None

Is this a regression?

No, this never worked

Last Working Version

_No response_

Claude Code Version

2.1.87

Platform

Other

Operating System

Windows

Terminal/Shell

PowerShell

Additional Information

<img width="710" height="122" alt="Image" src="https://github.com/user-attachments/assets/fe86614a-7a89-46a0-9992-85d085c219a6" />

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