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 error message indicates that there is a disparity between the extension and VirtualBox versions. This can be because either of them is outdated or the extension ...

At the time of writing, VirtualBox 4.0.0's Check for Updates command did not detect the availability of the new version, which can be downloaded here. There is also a new version of the Oracle VM ...