I was trying to add virtual machine and get this: " A critical error has occurred while running the virtual machine and the machine execution has been stopped. I have a penchant for VirtualBox because it gives me a playground for. 283578 Console: VM runtime error: fatal= false,. i was facing this error and tried that and worked for me. 1- Open VM VirtualBox. 2- file - > Settings - > System - > Processor. 3- Check Extended. jangan lupa like dan berlangganan atau bahasa inggrisnya subscribe.