How To Fix Failed To Open a Session for the Virtual Machine Windows 10 - YouTube
FIX: VirtualBox Failed to open Hard Disk file. Cannot register virtual hard disk because a disk with the same UUID already exists.(Solved) - wintips.org - Windows Tips & How-tos
VirtualBox error "Failed to open a session for the virtual machine" - Stack Overflow
unable to recover after invalid amount of memory set on microk8s vm · Issue #2915 · canonical/microk8s · GitHub