Head over to the VirtualBox downloads page, grab the VirtualBox Oracle VM VirtualBox Extension Pack, double click the extension pack file (which has the vbox-extpack extension) and it should open with VirtualBox, allowing you to install it. It means the machine you tried to run was installed with VirtualBox Extension Pack support, so it needs this to run. The virtual machine 'Your machine name' has terminated unexpectedly during startup with exit code 1 (0x1). Save the setup in a convenient location on your local storage.

Now click Windows hosts to download the latest package of VirtualBox for Windows. The error shown in a dialog box when upgrading from the Ubuntu repositories VirtualBox to the Oracle-provided VirtualBox: Click the link above to visit the VirtualBox download page in your preferred browser. This also applies to those using Ubuntu-based Linux distributions, like Linux Mint, elementary OS and Pop!_OS. This article explains how to properly upgrade to VirtualBox downloaded from Oracle (either by downloading it from the VirtualBox website, or installed from the Oracle VirtualBox repository) when you have the Ubuntu repositories version of VirtualBox installed on your system.

But when I upgraded to VirtualBox 6.1 downloaded from the Oracle VirtualBox website, I noticed I couldn't start any virtual machine anymore, receiving an error. When I upgraded to Ubuntu 19.10 I installed VirtualBox from the Ubuntu repositories since it was the same version as the one provided by Oracle anyway.

Oracle virtualbox usb 2.0