If you cannot open the guest session and get a VERR_NOT_FOUND VirtualBox error, follow the tips, solutions, and workarounds mentioned below. Check if “VBoxGuestAdditions.iso”n exists Insert ...

Open ISO Creator. You can name the ISO whatever you like, just make sure you save the ISO in a sensible location. Select the folder that you extracted the zip file to.

Learn how to fix FATAL, No bootable medium found, System halted error in VirtualBox. It occurs if the ISO file is not attached to the virtual machine.

I don't think Virtualbox has a UEFI option, so I think virtualbox is (rightly) booting legacy. But still it can't boot from that ISO ...

Oracle has announced the general availability of version 4.0 of the Oracle VM VirtualBox free open source virtualization platform. The announcement comes only three weeks after the company debuted ...