Squeeze: Installing VirtualBox 3.2_3.2.12-68302~Debian~squeeze_amd64

First we install some required packages sudo aptitude install libqt4-network libqt4-opengl libqtcore4 libqtgui4 Then we install VirtualBox download from VirtualBox.org : sudo dpkg -i virtualbox-3.2_3.2.12-68302~Debian~squeeze_amd64.deb Include your user in the group “vboxusers”