You must specify a machine to start, using the command line.
Usage: VirtualBoxVM --startvm <name|UUID>
Starts the VirtualBox virtual machine with the given name or unique identifier (UUID).
Error "You must specify a machine to start using the command line" but when running a Windows VM
Error "You must specify a machine to start using the command line" but when running a Windows VM
So After I configured the machine and chose the Windows ISO, I tried to start it so I can install Windows 11 but I got that error