[BUG] HRESULT 0x80070005

[sitorongfeng]

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?

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

[github-actions]

Found 3 possible duplicate issues:

1. Cowork VM: HCS 0x80070005 (Access Denied) on Win11 25H2 - MSIX SYSTEM ACL missing #38188
2. Windows: Failed to start Claude's workspace - HCS Access Denied on sessiondata.vhdx #43441
3. [BUG] My Cowork is not functioning #38122

This issue will be automatically closed as a duplicate in 3 days.

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🤖 Generated with Claude Code

[github-actions]

This issue has been automatically closed as a duplicate of #38188.

If this is incorrect, please re-open this issue or create a new one.

🤖 Generated with Claude Code

[github-actions]

This issue has been automatically locked since it was closed and has not had any activity for 7 days. If you're experiencing a similar issue, please file a new issue and reference this one if it's relevant.