How to install VirtualBox 7.0 on Ubuntu-based Linux distributions Your email has been sent VirtualBox 7.0 has finally been released, and this latest iteration brings plenty of new features to the ...

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.

You can install the new Windows 8 beta in a virtual environment using the free Oracle VirtualBox or VMWare Player. Here's how. Lance Whitney is a freelance technology ...

Running multiple operating systems side-by-side gives you the chance to test applications, run platform-specific software, and tons more without ever rebooting. It's also extremely cool. Here's how to ...

It is the first thing you need to fix the issue as stated above. For that, you need to run the virtual machine showing the error and go to the Devices > Install Guest ...