[BUG] HRESULT 0x80070005

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?

error code 0x80070005, smol-bin.vhdx, and sessiondata.vhdx on Windows 11 Pro.

I have tried the below steps
restart PC,
Restart Claude app.
Reinstall workspace also does not work.

Run PowerShell as Administrator, Stop-Process -Name "Claude" -Force -ErrorAction SilentlyContinue; Start-Service CoworkVMService

Enabled to the below windows features
✅ Virtual Machine Platform
✅ Windows Hypervisor Platform
✅ Hyper-V (all sub-options)

Run Powershell,
icacls "$env:LOCALAPPDATA\Packages\Claude_pzs8sxrjxfjjc\LocalCache\Roaming\Claude\vm_bundles" /grant SYSTEM:F /T

Start-Service CoworkVMService

Get-Content "$env:LOCALAPPDATA\Packages\Claude_pzs8sxrjxfjjc\LocalCache\Roaming\Claude\logs\cowork_vm_node.log" -Tail 30

icacls "C:\Users\sito\AppData\Local\Packages\Claude_pzs8sxrjxfjjc\LocalCache\Roaming\Claude\vm_bundles\claudevm.bundle" /grant SYSTEM:F /T

icacls "C:\Users\sito\AppData\Local\Packages\Claude_pzs8sxrjxfjjc\LocalCache\Roaming\Claude\vm_bundles\claudevm.bundle\smol-bin.vhdx" /grant SYSTEM:F

Get-ChildItem "C:\Users\sito\AppData\Local\Packages\Claude_pzs8sxrjxfjjc\LocalCache\Roaming\Claude\vm_bundles\claudevm.bundle" -Filter "*.vhdx" | ForEach-Object { icacls $_.FullName /grant SYSTEM:F }

What Should Happen?

NA

Error Messages/Logs

HCS operation failed: failed to start VM: HcsWaitForOperationResult failed with HRESULT 0x80070005: {"Error":-2147024891,"ErrorMessage":"Access is denied.","ErrorEvents":[{"Message":"'cowork-vm-ab07d58b' failed to start. (Virtual machine ID F025C340-A119-540B-8018-78E60D95F322)","Provider":"51ddfa29-d5c8-4803-be4b-2ecb715570fe","EventId":12030,"Flags":13,"Data":[{"Type":"String","Value":"cowork-vm-ab07d58b"},{"Type":"String","Value":"F025C340-A119-540B-8018-78E60D95F322"}]},{"Message":"'cowork-vm-ab07d58b' Synthetic Storage (Instance ID 1FF46D3F-E712-5DBC-9813-AAD51981A2E9): Failed to Power on with Error 'Access is denied.' (0x80070005). (Virtual machine ID F025C340-A119-540B-8018-78E60D95F322)","Provider":"51ddfa29-d5c8-4803-be4b-2ecb715570fe","EventId":12010,"Flags":5,"Data":[{"Type":"String","Value":"cowork-vm-ab07d58b"},{"Type":"String","Value":"F025C340-A119-540B-8018-78E60D95F322"},{"Type":"String","Value":"Synthetic Storage"},{"Type":"String","Value":"%%2147942405"},{"Type":"String","Value":"0x80070005"},{"Type":"String","Value":"1FF46D3F-E712-5DBC-9813-AAD51981A2E9"},{"Type":"String","Value":""}]},{"Message":"'cowork-vm-ab07d58b': Account does not have permission to open attachment 'C:\\Users\\sito\\AppData\\Local\\Packages\\Claude_pzs8sxrjxfjjc\\LocalCache\\Roaming\\Claude\\vm_bundles\\claudevm.bundle\\smol-bin.vhdx (Lun 1)'. Error: 'Access is denied.' (0x80070005). (Virtual machine ID F025C340-A119-540B-8018-78E60D95F322)","Provider":"edacd782-2564-4497-ade6-7199377850f2","EventId":12290,"Flags":5,"Data":[{"Type":"String","Value":"cowork-vm-ab07d58b"},{"Type":"String","Value":"F025C340-A119-540B-8018-78E60D95F322"},{"Type":"String","Value":"C:\\Users\\sito\\AppData\\Local\\Packages\\Claude_pzs8sxrjxfjjc\\LocalCache\\Roaming\\Claude\\vm_bundles\\claudevm.bundle\\smol-bin.vhdx (Lun 1)"},{"Type":"String","Value":"%%2147942405"},{"Type":"String","Value":"0x80070005"},{"Type":"String","Value":""},{"Type":"String","Value":""}]}],"Attribution":[{"OperationFailure":{"Detail":"Start"}},{"VirtualDeviceFailure":{"Detail":"PowerOnCold","Name":"Synthetic Storage","DeviceId":"d422512d-2bf2-4752-809d-7b82b5fcb1b4","InstanceId":"1ff46d3f-e712-5dbc-9813-aad51981a2e9"}}]}

Steps to Reproduce

NA

Claude Model

Sonnet (default)

Is this a regression?

No, this never worked

Last Working Version

_No response_

Claude Code Version

1.569.0.0

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

Windows Terminal

Additional Information

my email is sito@isnapphotography.sg
I just upgraded to pro plan today, hoping to use COWORK, but after several hours, I can't get it to work. Please help me