Oracle's Virtualbox is one of the more popular tools to set up and interact with virtual machines, not least because it's completely free, and it works cross-platform. Whether you're on Windows 11, ...

Late on Friday, December 13, Valve released the first public version of SteamOS. As you would expect, SteamOS is currently very rough around the edges -- it is essentially just a version of Debian 7.1 ...

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 ...