It is the first thing you need to fix the issue as stated above. For that, you need to run the virtual machine showing the error and go to the Devices > Install Guest ...

Oracle VirtualBox allows you to run multiple operating systems on various virtual machines. However, when trying to add USB devices to the virtual machine, some of us ...

Make Tech Easier shows us how to get up and running with VirtualBox from a bootable USB drive. To do this, you'll need a bootable USB drive (obviously) and you'll need to be comfortable using command ...