[BUG]

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?

Bug: Failed to start Claude's workspace - Plan9 share error

Error Message:
Failed to add Plan9 share 'd': HcsWaitForOperationResult failed
with HRESULT 0x80310000: {"Error":-2144272384,"ErrorMessage":""}

Steps Already Tried:

• Restarted Claude app
• Restarted PC multiple times
• Deleted vm_bundles folder
• Restarted vmcompute service via PowerShell
• Reinstalled workspace

Nothing worked. Error persists every time.

OS: Windows [apna version likho - 10 ya 11, Home/Pro]
Claude Version: Latest

What Should Happen?

Claude's workspace (Cowork tab) should start successfully
without any errors.

The VM should boot properly, Plan9 file share should mount
correctly, and the workspace should be ready to use.

Error Messages/Logs

Failed to start Claude's workspace
failed to add Plan9 share 'd': HcsWaitForOperationResult failed with HRESULT 0x80310000: {"Error":-2144272384,"ErrorMessage":""}
Restarting Claude or your computer sometimes resolves this. If it persists, you can reinstall the workspace.

Steps to Reproduce

Failed to start Claude's workspace
failed to add Plan9 share 'd': HcsWaitForOperationResult failed with HRESULT 0x80310000: {"Error":-2144272384,"ErrorMessage":""}
Restarting Claude or your computer sometimes resolves this. If it persists, you can reinstall the workspace.

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

Version 1.569.0 (49894a)

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

Terminal.app (macOS)

Additional Information

_No response_