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claude-code - 💡(How to fix) Fix [BUG] Cowork and Code tabs missing on Windows 11 Pro x64 — VM never initializes despite full Hyper-V support [2 comments, 2 participants]

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anthropics/claude-code#49338•Fetched 2026-04-17 08:44:04
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Error Message

Error Messages/Logs

No logs folder exists at %APPDATA%\Claude\logs — the Cowork VM never attempts to initialise. No error message shown in the app.

Code Example

No logs folder exists at %APPDATA%\Claude\logs — the Cowork VM never attempts to initialise. No error message shown in the app.
RAW_BUFFERClick to expand / collapse

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?

Cowork and Code tabs do not appear in Claude Desktop. Only the Chat tab is visible. No logs folder exists at %APPDATA%\Claude\logs — the Cowork VM never initialises. Clean reinstall performed, issue persists.

Environment:

  • OS: Windows 11 Pro, Build 26200 (x64)
  • Hardware: Dell OptiPlex 5080, Intel ~3101MHz
  • Claude Desktop: latest clean install, April 2026
  • Plan: Pro Annual

Confirmed working:

  • Hyper-V Hypervisor: Enabled (verified via Get-WindowsOptionalFeature as Admin)
  • vmms service: Running (verified via Get-Service vmms)
  • Cloudflare WARP: Disconnected
  • Standalone workgroup machine, no domain

Related issues: #25136, #25142, #48407

What Should Happen?

Cowork and Code tabs should appear in the navigation bar after Hyper-V is enabled and all requirements are met.

Error Messages/Logs

No logs folder exists at %APPDATA%\Claude\logs — the Cowork VM never attempts to initialise. No error message shown in the app.

Steps to Reproduce

  1. Install Claude Desktop (latest, April 2026) on Windows 11 Pro x64
  2. Sign in with Pro Annual account
  3. Observe only "Chat" tab visible — no Cowork or Code tabs
  4. Check %APPDATA%\Claude\logs — folder does not exist

Claude Model

None

Is this a regression?

No, this never worked

Last Working Version

No response

Claude Code Version

Claude for Windows Version 1.3036.0 (cf521c)

Platform

Other

Operating System

Windows

Terminal/Shell

PowerShell

Additional Information

<img width="978" height="508" alt="Image" src="https://github.com/user-attachments/assets/3c6dd4ed-be31-4ff4-8676-4a03b472dda4" />

extent analysis

TL;DR

The issue might be related to the Cowork VM not initializing, and checking the Hyper-V configuration and vmms service status may help resolve the issue.

Guidance

  • Verify that the Hyper-V Hypervisor is properly enabled and configured, as it is required for the Cowork VM to initialize.
  • Check the status of the vmms service to ensure it is running, as this service is necessary for Hyper-V to function correctly.
  • Consider checking the Windows Event Viewer logs for any errors related to Hyper-V or the vmms service, as these may provide additional clues about the issue.
  • Review the related issues (#25136, #25142, #48407) to see if any of the solutions or workarounds mentioned there may apply to this case.

Example

No code snippet is provided as it is not clearly supported by the issue.

Notes

The issue may be specific to the Windows 11 Pro environment or the Dell OptiPlex 5080 hardware, and further investigation may be needed to determine the root cause.

Recommendation

Apply workaround: Check the Hyper-V configuration and vmms service status, and review related issues for potential solutions, as the root cause of the issue is not immediately clear.

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