VirtualBox, the virtualization software that allows you to run multiple operating system from a single computer or host has just been updated to version 4.2.18. This is  maintenance release which only fixes bugs and nothing new were added.

This maintenance release applies to Windows, Mac OS X and Linux systems, including Ubuntu. Some of the changes that were included are as followed:

A Linux guest machine fix that properly handles NMIs on Linux hosts with X2APIC enabled, a bug that would not unregister a hard disk image after unregistering a virtual machine were also fixed, enhanced 3D support for Windows guest machines with WDDM video driver and a fix that removes Mac OS X installer that would not remove previously installed extension packs on VirtualBox upgrade.

For more about this release, check out the changelog page.

If you’re currently running VirtualBox on Windows and Mac OS X, then you should be able to easily upgrade by downloading the newest version and running the installer.

If you’re on a Linux machine or Ubuntu, then it may take a bit more to upgrade. This brief tutorial is going to show you how to upgrade VirtualBox in Ubuntu if you haven’t already done so.

To get started, press Ctrl – Alt – T on your keyboard to open the terminal or console. When it opens, run the commands below to add VirtualBox software repository’ key.

wget -q -O- | sudo apt-key add -


Next, run the commands below to add VirtualBox software repository

sudo sh -c 'echo "deb $(lsb_release -sc) contrib" >> /etc/apt/sources.list'


Finally, run the commands below to upgrade your system including VirtualBox.

sudo apt-get update && sudo apt-get install virtualbox-4.2


That’s it. After the above steps, VirtualBox should be running the current and latest version.




After upgrading the client, you must also download and install the latest extension packs. The packs allows support for USB 2.0 devices, VirtualBox RDP and PXE boot for Intel cards.

If you don’t prompted to install the packs, there the link to download it.

Download and upgrade, then enjoy!