[BUG] HCS HRESULT 0x80070032

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?

When I try to run Claude Cowork, I receive the following error:
HCS operation failed: failed to start VM: HcsWaitForOperationResult failed with HRESULT 0x80070032: {"Error":-2147024846,"ErrorMessage":"The request is not supported.","ErrorEvents":[{"Message":"'cowork-vm-baa82cce' failed to start. (Virtual machine ID C046CF90-111C-5CF6-BEA8-04F9FA3568B3)","Provider":"51ddfa29-d5c8-4803-be4b-2ecb715570fe","EventId":12030,"Flags":13,"Data":[{"Type":"String","Value":"cowork-vm-baa82cce"},{"Type":"String","Value":"C046CF90-111C-5CF6-BEA8-04F9FA3568B3"}]},{"Message":"'cowork-vm-baa82cce' Synthetic Storage (Instance ID 1FF46D3F-E712-5DBC-9813-AAD51981A2E9): Failed to Power on with Error 'The request is not supported.' (0x80070032). (Virtual machine ID C046CF90-111C-5CF6-BEA8-04F9FA3568B3)","Provider":"51ddfa29-d5c8-4803-be4b-2ecb715570fe","EventId":12010,"Flags":5,"Data":[{"Type":"String","Value":"cowork-vm-baa82cce"},{"Type":"String","Value":"C046CF90-111C-5CF6-BEA8-04F9FA3568B3"},{"Type":"String","Value":"Synthetic Storage"},{"Type":"String","Value":"%%2147942450"},{"Type":"String","Value":"0x80070032"},{"Type":"String","Value":"1FF46D3F-E712-5DBC-9813-AAD51981A2E9"},{"Type":"String","Value":""}]},{"Message":"'cowork-vm-baa82cce': Attachment 'C:\\Users\\usman.khalid\\AppData\\Roaming\\Claude\\vm_bundles\\claudevm.bundle\\rootfs.vhdx (Lun 0)' failed to open because of error: 'The request is not supported.' (0x80070032). (Virtual machine ID C046CF90-111C-5CF6-BEA8-04F9FA3568B3)","Provider":"edacd782-2564-4497-ade6-7199377850f2","EventId":12140,"Flags":5,"Data":[{"Type":"String","Value":"cowork-vm-baa82cce"},{"Type":"String","Value":"C046CF90-111C-5CF6-BEA8-04F9FA3568B3"},{"Type":"String","Value":"C:\\Users\\usman.khalid\\AppData\\Roaming\\Claude\\vm_bundles\\claudevm.bundle\\rootfs.vhdx (Lun 0)"},{"Type":"String","Value":"%%2147942450"},{"Type":"String","Value":"0x80070032"},{"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"}}]}

Version: Claude Desktop 1.1617.0.0 (Microsoft Store, Windows 11 24H2 build 26100.7705)
Bundle: 5680b11bcdab215cccf07e0c0bd1bd9213b0c25d
OS: Windows 11

What Should Happen?

Same bundle worked April 3-6, then stopped. Failure alternates between Lun 0 and Lun 1. No Defender blocks, no Windows updates since February.

Error Messages/Logs

HCS operation failed: failed to start VM: HcsWaitForOperationResult failed with HRESULT 0x80070032: {"Error":-2147024846,"ErrorMessage":"The request is not supported.","ErrorEvents":[{"Message":"'cowork-vm-baa82cce' failed to start. (Virtual machine ID C046CF90-111C-5CF6-BEA8-04F9FA3568B3)","Provider":"51ddfa29-d5c8-4803-be4b-2ecb715570fe","EventId":12030,"Flags":13,"Data":[{"Type":"String","Value":"cowork-vm-baa82cce"},{"Type":"String","Value":"C046CF90-111C-5CF6-BEA8-04F9FA3568B3"}]},{"Message":"'cowork-vm-baa82cce' Synthetic Storage (Instance ID 1FF46D3F-E712-5DBC-9813-AAD51981A2E9): Failed to Power on with Error 'The request is not supported.' (0x80070032). (Virtual machine ID C046CF90-111C-5CF6-BEA8-04F9FA3568B3)","Provider":"51ddfa29-d5c8-4803-be4b-2ecb715570fe","EventId":12010,"Flags":5,"Data":[{"Type":"String","Value":"cowork-vm-baa82cce"},{"Type":"String","Value":"C046CF90-111C-5CF6-BEA8-04F9FA3568B3"},{"Type":"String","Value":"Synthetic Storage"},{"Type":"String","Value":"%%2147942450"},{"Type":"String","Value":"0x80070032"},{"Type":"String","Value":"1FF46D3F-E712-5DBC-9813-AAD51981A2E9"},{"Type":"String","Value":""}]},{"Message":"'cowork-vm-baa82cce': Attachment 'C:\\Users\\usman.khalid\\AppData\\Roaming\\Claude\\vm_bundles\\claudevm.bundle\\rootfs.vhdx (Lun 0)' failed to open because of error: 'The request is not supported.' (0x80070032). (Virtual machine ID C046CF90-111C-5CF6-BEA8-04F9FA3568B3)","Provider":"edacd782-2564-4497-ade6-7199377850f2","EventId":12140,"Flags":5,"Data":[{"Type":"String","Value":"cowork-vm-baa82cce"},{"Type":"String","Value":"C046CF90-111C-5CF6-BEA8-04F9FA3568B3"},{"Type":"String","Value":"C:\\Users\\usman.khalid\\AppData\\Roaming\\Claude\\vm_bundles\\claudevm.bundle\\rootfs.vhdx (Lun 0)"},{"Type":"String","Value":"%%2147942450"},{"Type":"String","Value":"0x80070032"},{"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

Just opening cowork.

Claude Model

Not sure / Multiple models

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

Claude Desktop 1.1617.0.0

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

Terminal.app (macOS)

Additional Information

_No response_