claude-code - 💡(How to fix) Fix Cowork workspace VM connection timeout on ARM Windows

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Error Message

Error: VM connection timeout after 60 seconds, last completed step always "add_plan9_shares"

Error Messages/Logs

Code Example

Failed to start Claude's workspace
VM connection timeout after 60 seconds
Restarting Claude or your computer sometimes resolves this. If it persists, you can reinstall the workspace.
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?

Device: Windows on ARM Claude Desktop version: 1.3109.0.0 Error: VM connection timeout after 60 seconds, last completed step always "add_plan9_shares" The VM boots but the guest OS never responds Steps already tried: enabled HypervisorPlatform, uninstalled NordVPN, deleted vm_bundles folder, restarted multiple times

<!-- Failed to upload "Claude Cowork set up.pdf" -->

What Should Happen?

Claude Cowork place should load

Error Messages/Logs

Failed to start Claude's workspace
VM connection timeout after 60 seconds
Restarting Claude or your computer sometimes resolves this. If it persists, you can reinstall the workspace.

Steps to Reproduce

The issue occurs every time i restart and open claude cowork. It won't load

Claude Model

Opus

Is this a regression?

No, this never worked

Last Working Version

No response

Claude Code Version

Claude Desktop version 1.3109.0.0 (ARM64)

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

PowerShell

Additional Information

No response

extent analysis

TL;DR

The issue might be related to the VM connection timeout, and trying a different approach to configure the VM or checking for potential conflicts with other system settings could help resolve the issue.

Guidance

  • Investigate potential conflicts with other system settings, such as HypervisorPlatform, which was already enabled, to ensure it's properly configured.
  • Consider checking the system's resource allocation to ensure the VM has sufficient resources to operate correctly.
  • Look into the "add_plan9_shares" step, which is the last completed step before the timeout, to see if there are any issues with this specific step.
  • Try to reproduce the issue with a different Claude Model or version to isolate the problem.

Example

No specific code snippet can be provided without more information about the underlying system and VM configuration.

Notes

The issue seems to be specific to the Windows on ARM platform and the Claude Desktop version 1.3109.0.0. Without more information about the system configuration and the VM setup, it's difficult to provide a more specific solution.

Recommendation

Apply workaround: Try to configure the VM settings or system resources to resolve the connection timeout issue, as the problem persists even after restarting and reinstalling the workspace.

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claude-code - 💡(How to fix) Fix Cowork workspace VM connection timeout on ARM Windows