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 ...

First off, a little context. I'm a 30+ year Mac user and I just bought my first PC in decades. I'm no stranger to Windows and Linux, but haven't used them as a desktop OS for about 15 years. My ...