If your Event Viewer Log says "The VirtualBox system service service terminated unexpectedly" with Event ID 7034, follow ...
By typing simple, text-based commands into Windows' PowerShell, you can quickly install apps directly from the Microsoft ...
If you need to use virtual machines on Linux, try Virt-Manager. Virt-Manager is more reliable than VirtualBox. Virt-Manager is completely free and open-source. I'm a long-time supporter of VirtualBox.