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 This can be because either of them is outdated or the extension ...

If you encounter VirtualBox Error VERR_ALREADY_EXISTS, you should reboot the host computer before installing a fresh extension or a VM. Your system is most likely ...

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.

Microsoft released a developer preview of Windows 8 last night and surprisingly made it available for general public too. Though this brand new OS is half-baked and is meant to be used by developers ...

Want to test out Windows 10 Technical Preview, but don’t want to take a chance it’ll kill your PC? Your best bet is to install it as a virtual machine using ...