If you find yourself with a mismatched VirtualBox and VirtualBox Extension Pack release, such that VirtualBox itself cannot resolve, Jack Wallen shows you how to fix this from the command line.

The VirtualBox Guest Additions package installs the virtual video drivers to improve system performance and advanced graphics capabilities including hardware acceleration, multi-monitor support, and ...

If you've re-installed your operating system (or moved to a new machine) and you have a collection of VirtualBox virtual machines on a secondary drive, you can easily add them one at a time. You might ...