Harvey Trying it in a VM and experiencing VM issues such as
I typically don't enable 3D acceleration for my VMs, as I don't use them for anything that would require that level of video performance. But after reading this article, I enabled that feature on my "unstable" VM, and the result was that it wouldn't launch at all. I believe I saw the briefest flash of the UI one time, but it was over in milliseconds, and I didn't notice it during subsequent attempts.
This is, of course, the VM that I've been using all day without the 3D acceleration turned on, so I'm going to turn it back off now. By the way, I did check the BIOS/UEFI virtualization setting, just confirm that Intel virtualization support is turned on at that level, and it is, and has always been.
I just turned the 3D acceleration back off in the VBox manager, and the VM launched normally.