The "Bootable" legacy ISO you've used is in fact not bootable, it relies on CDROM emulation provided by BIOS. VMs don't usually do this sort of emulation. If you set the guest OS to something like ...

Virtualization is a widely used technology that allows users to run multiple operating systems, like Windows, Linux, etc., on a single physical machine. Virtual machines are the platforms or instances ...

You may get the VirtualBox error FATAL: INT18: BOOT FAILURE when you attempt to start a Windows guest machine on your Windows 11 or Windows 10 host computer. This ...

Virtualbox is a great app for using different operating systems on your PC, so here's how to get a fresh virtual machine set up and running.