[BUG] Windows 11 28020.1611.br - with hyperV installed - cowork not appaer #26589

Preflight Checklist

• I have searched existing issues and this hasn't been reported yet
• This is a single bug report (please file separate reports for different bugs)
• I am using the latest version of Claude Code

What's Wrong?

When I try to install cloude deskto, it not appaer the cowork tab.

log:

2026-02-18 15:24:37 [info] [cleanupVMBundleIfUnsupported] yukonSilver not supported (status=unsupported), checking for stale bundle...
2026-02-18 15:24:39 [info] [cleanupVMBundleIfUnsupported] yukonSilver not supported (status=unsupported), checking for stale bundle...
2026-02-18 15:26:49 [warn] [startVM] VM not supported (win32/x64), skipping
2026-02-18 15:26:49 [info] [Callbacks] Initializing VM event callbacks...
2026-02-18 15:26:49 [error] [Callbacks] Swift VM addon not available for callbacks
2026-02-18 15:26:50 [warn] [startVM] VM not supported (win32/x64), skipping
2026-02-18 15:26:52 [warn] [startVM] VM not supported (win32/x64), skipping
2026-02-18 15:26:56 [warn] [startVM] VM not supported (win32/x64), skipping
2026-02-18 15:27:32 [warn] [startVM] VM not supported (win32/x64), skipping
2026-02-18 15:27:33 [warn] [startVM] VM not supported (win32/x64), skipping
2026-02-18 15:27:35 [warn] [startVM] VM not supported (win32/x64), skipping
2026-02-18 15:27:39 [warn] [startVM] VM not supported (win32/x64), skipping
2026-02-18 15:30:26 [warn] [startVM] VM not supported (win32/x64), skipping
2026-02-18 15:30:27 [warn] [startVM] VM not supported (win32/x64), skipping
2026-02-18 15:30:29 [warn] [startVM] VM not supported (win32/x64), skipping
2026-02-18 15:30:33 [warn] [startVM] VM not supported (win32/x64), skipping

HyperV is installed and working (I use VM for development).

What Should Happen?

cowork tab not appaer

Error Messages/Logs

2026-02-18 15:24:37 [info] [cleanupVMBundleIfUnsupported] yukonSilver not supported (status=unsupported), checking for stale bundle...
2026-02-18 15:24:39 [info] [cleanupVMBundleIfUnsupported] yukonSilver not supported (status=unsupported), checking for stale bundle...
2026-02-18 15:26:49 [warn] [startVM] VM not supported (win32/x64), skipping
2026-02-18 15:26:49 [info] [Callbacks] Initializing VM event callbacks...
2026-02-18 15:26:49 [error] [Callbacks] Swift VM addon not available for callbacks
2026-02-18 15:26:50 [warn] [startVM] VM not supported (win32/x64), skipping
2026-02-18 15:26:52 [warn] [startVM] VM not supported (win32/x64), skipping
2026-02-18 15:26:56 [warn] [startVM] VM not supported (win32/x64), skipping
2026-02-18 15:27:32 [warn] [startVM] VM not supported (win32/x64), skipping
2026-02-18 15:27:33 [warn] [startVM] VM not supported (win32/x64), skipping
2026-02-18 15:27:35 [warn] [startVM] VM not supported (win32/x64), skipping
2026-02-18 15:27:39 [warn] [startVM] VM not supported (win32/x64), skipping
2026-02-18 15:30:26 [warn] [startVM] VM not supported (win32/x64), skipping
2026-02-18 15:30:27 [warn] [startVM] VM not supported (win32/x64), skipping
2026-02-18 15:30:29 [warn] [startVM] VM not supported (win32/x64), skipping
2026-02-18 15:30:33 [warn] [startVM] VM not supported (win32/x64), skipping

Steps to Reproduce

install calude on w11 28020.1611 with HyperV installed ... and see ther is not show the cowork tab

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

No response

Claude Code Version

2.1.45

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

PowerShell

Additional Information

No response