How to install Virtualbox 5.1.28 Released on Ubuntu 14.04, 16.04, 17.04

    VirtualBox is a general-purpose full virtualizer for x86 hardware, targeted at server, desktop and embedded use.Not only is VirtualBox an extremely feature rich, high performance product for enterprise customers, it is also the only professional solution that is freely available as Open Source Software under the terms of the GNU General Public License (GPL) version 2.

Virtualbox 5.1.28 Changelog:

•  GUI: mouse events did not reach host windows behind the transparent VM window.
•  Audio: fixed accidental crashes when using the AC'97 sound emulation.
•  Audio: fixed crash when default input or output devices have changed.
•  Audio: fixed recording when using the ALSA backend.
•  Audio: fixed handle leak when using the OSS backend.
•  E1000: fixed a crash related to VLAN traffic over internal network.
•  NAT: apply --natbindip1 to TCP connections.
•  OVF: when importing an appliance with XHCI controller, don't add an OHCI controller.
•  Mac OS X hosts: fixed a GUI crash if Spotlight is used from file dialogs.
•  Linux hosts: fixed creating fixed sized VDI images.
•  Linux hosts / guests: fixes for Linux 4.4 of openSUSE Leap 42.3.
•  Bridged networking: align outgoing packet at word boundary, preventing Windows host crash in MsLbfoProvider.
•  Linux Additions: kernel drm driver support for custom EL7 Linux 3.10 kernel.
•  Solaris Additions: hide an informational message on the bootup console . 

Installation instructions:

Open terminal and insert command line.

$ sudo sh -c 'echo "deb http://download.virtualbox.org/virtualbox/debian $(lsb_release -cs) contrib" >> /etc/apt/sources.list.d/virtualbox.list' $ wget -q https://www.virtualbox.org/download/oracle_vbox_2016.asc -O- | sudo apt-key add - $ sudo apt-get update $ sudo apt-get install virtualbox-5.1

For Linux Mint 18.x, replace $(lsb_release -cs) in the code with xenial

Option, remove Virtualbox

$ sudo apt-get remove --autoremove virtualbox-5.1