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 This can be because either of them is outdated or the extension ...

These instructions show how to setup VirtualBox for PXE/Netboot, share a vdi hard drive among users/ accounts on a mac and how to move the VirtualBox settings or preferences between users. I assume ...