Does anyone know offhand how to remove the guest additions for VirtualBox 3.1 in Ubuntu 9.10? These are the additions that provide mouse integration and X drivers for automatic window resizing.
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 ...
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 ...