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.

If you’re facing this issue, you can try our recommended solutions below, which are listed in no particular order, and see if they help to resolve the issue on your Windows 11/10 computer. Install the ...

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 ...