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 ...

Virtualbox is a great app for using different operating systems on your PC, so here's how to get a fresh virtual machine set up and running.

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 ...