[BUG] reference issue #60371 with your specs (Windows 10 19045, Z590 AORUS MASTER, F8a BIOS, all Hyper-V features enabled)

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?

<img width="1057" height="586" alt="Image" src="https://github.com/user-attachments/assets/ed6646cb-f9da-46be-8878-22914761ec78" />

What Should Happen?

no bash, no file creation, no code execution inside Cowork
Claude Desktop version (from About)
Windows 10 Pro, Build 19045
Z590 AORUS MASTER, BIOS F8a
i9-11900K
All Hyper-V features enabled (confirmed via PowerShell)
Error: HRESULT 0x80370102
Reference: GitHub issue #60371

Error Messages/Logs

Claude's workspace failed to start with HRESULT 0x80370102 (hypervisor not running).

Hardware virtualization (Intel VT-x or AMD-V) is disabled in this device's firmware. Enable it in BIOS/UEFI settings and restart. On devices with a firmware password or vendor management (Dell Command, HP BCU, Lenovo, vPro), this may need to be changed via that tool.

Steps to Reproduce

no bash, no file creation, no code execution inside Cowork

Claude Model

Sonnet (default)

Is this a regression?

I don't know

Last Working Version

_No response_

Claude Code Version

Version 1.12603.1 (3df4fd)

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

PowerShell

Additional Information

<img width="1057" height="586" alt="Image" src="https://github.com/user-attachments/assets/78dceea0-4d55-4107-a931-de555e6d58fc" />