Please review the description and proceed if you have obtained the extension pack from a trusted source. Extension packs complement the functionality of VirtualBox and can contain system-level software that could potentially harmful to your system.

Please be aware that the version of the extension package must be compatible with the version of the Oracle VM VirtualBox. That will download a file named Oracle_VM_VirtualBox_Extension_Pack-6.1.4, which is around 10 MB.

Open the VirtualBox website and download VirtualBox 6.1.4 Oracle VM VirtualBox Extension Pack from the link.

Open the Internet browser (Google Chrome, Mozilla Firefox, Edge or other).

Please install the Extension Pack from the VirtualBox download site or disable USB 2.0/3.0 to be able to start the machine. The using of USB 2.0 requires the Oracle VM VirtualBox Extension Pack to be installed.

Select the Enable USB Controller and then choose USB 2.0 (EHCI) Controller.Right-click on the selected virtual machine and then click Settings and click on the USB.Select the virtual machine and shut it down from Oracle VM VirtualBox or from the guest operating system.Insert the USB Flash drive into the USB port (2.0 or 3.0) of your host machine.

Anleitung oracle vm virtualbox