Virtualisation

VirtualBox

Architecture : AMD Ryzen

Platform issue : Microsoft Windows 10 ( status = solved , solution = reliable )

Summary :

Virtualbox has issues with Microsoft Virtualisation Based Security and/or Hyper-V on Windows 10

A proven solution

This may not be the best solution or overkill, but it works reliably.

Disable Virtualisation Based Security
    gpedit.msc > Computer Configuration > Administrative Templates > System > 
    Device Guard > Enable Virtualisation Based Security ( must be set to disabled) )

Disable the boot loader option hypervisorlaunchtype
    run cmd as adminstrator and execute 
    bcdedit /set hypervisorlaunchtype off

Remove Anything Hyper-V from Programs and Features by unchecking Hyper-V under Windows features.

Note this DOES lower security for features offered by "Windows Defender Application Guard (WDAG)" , "Virtualization Based Security (VBS)" and related advanced security features in Microsoft Windows 10.

Notable Issues

64 bit operating system options are not available under settings for any VM, only 32 bit is listed

Notable configuration issue indicator

Despite ADM SVM enabled in the BIOS there is an error reporting such is not enabled or available

AMD-V is not available (VERR_SVM_NO_SVM).

Resultcode: E_FAIL (0x80004005)

Component: ConsoleWrap

Interface: IConsole {872da645-4a9b-1727-bee2-5585105b9eed}