Running Linux from a USB drive is possible. You can boot just about any distribution you want from USB. There are some things you should consider before going this route. I've used Linux in just about ...

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 ...

I've made a couple of flash drives On a couple different sticks with a couple different computers. With different boot drive making programs and different disk images. and tried to boot from USB On ...