VirtualBox is great for testing out a new operating system, but your virtual machines probably aren't that special when you first set them up. Here are a few tips for making them much easier to ...

Run multiple OS simultaneously with this handy program. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Finally, our favorite overlooked ...

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 ...