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.
VirtualBox is a stalwart of virtualization. It provides a relatively user-friendly and free way to create and manage virtual machines on Windows, Linux, and macOS. However, with the move to Apple ...