VERR_CPUM_INVALID_HWVIRT_CONFIG

The error message from Virtualbox reads:

"Cannot enable nested VT-x/AMD-V without nested-paging and unresricted guest execution!

(VERR_CPUM_INVALID_HWVIRT_CONFIG). "

Encountered this error when trying to run any VM under VirtualBox Version 6.0.12 r133076 (Qt5.6.2). I’m assuming all versions of VBox are affected when running under Windows 10.

Looking around the web found this reddit post where this solution is proposed:

PS C:\Windows\system32> bcdedit /set hypervisorlaunchtype off

On my system (Windows Version 10.0.18362.329) it didn’t ask for a reboot but even after rebooting VirtualBox still didn’t work. That’s when I remembered I had enabled the Virtual Machine Platform option in the “Turn Windows Features on or off” section of Programs and Features. Disabling this feature and rebooting allowed Virtualbox VMs to boot without issues.

Here’s how to disable the option through PowerShell with Admin rights:

PS C:\Windows\system32> Disable-WindowsOptionalFeature -online -FeatureName VirtualMachinePlatform

I’m not sure if other Hyper-V options would affect VirtualBox in the same way but it’d seem they do. Posting up here mostly so it doesn’t get lost in social media link morass.

This Galaxy is vast; its wonders and beauty are almost unfathomable. But the galaxy also hides dark secrets, some of which have lain dormant since the beginning of time itself. There is a danger in secrets, both in seeking and in knowing. Some things are meant to be hidden from view. Some mysteries defy understanding, and sometimes even the things we think we know are untrue. Some secrets should remain untouched. Secrets can tempt your primal instinct, and lead you again into war. The Halos were one such secret.

Cortana