#./VBoxLinuxAdditions.run Verifying archive integrity... All good. Uncompressing VirtualBox 4.1.2 Guest Additions for Linux......... VirtualBox Guest Additions installer Removing installed version 4.1.2 of VirtualBox Guest Additions... add_symlink: link file /usr/lib/VBoxGuestAdditions already exists add_symlink: link file /usr/lib/VBoxOGL.so already exists add_symlink: link file /usr/lib/VBoxOGLarrayspu.so already exists add_symlink: link file /usr/lib/VBoxOGLcrutil.so already exists add_symlink: link file /usr/lib/VBoxOGLerrorspu.so already exists add_symlink: link file /usr/lib/VBoxOGLfeedbackspu.so already exists add_symlink: link file /usr/lib/VBoxOGLpackspu.so already exists add_symlink: link file /usr/lib/VBoxOGLpassthroughspu.so already exists Removing existing VirtualBox DKMS kernel modules ...done. Removing existing VirtualBox non-DKMS kernel modules ...done. Building the VirtualBox Guest Additions kernel modules ...done. Doing non-kernel setup of the Guest Additions ...done. Starting the VirtualBox Guest Additions ...done. Installing the Window System Drivers Warning: unknown version of the X Window System installed. Not installing X Windows System drivers. Installing graphics libraries and desktop services components ...done. #