A large number of VMware users who have opted for an open-source alternative may be operating on outdated software. A report from RunZero claimed VMware users disgruntled with Broadcom's cloud push ...
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.