I attached a .jpg with the error because I am not allowed to post links yet.
My PC:Failed to open a session for the virtual machine Xubuntu.
The virtual machine 'Xubuntu' has terminated unexpectedly during startup with exit code 1 (0x1). More details may be available in 'D:\
Result Code: E_FAIL (0x80004005)
Component: MachineWrap
Interface: IMachine {b2547866-a0a1-4391-8b86-6952d82efaa0}
O.S: Windows 10 Pro
RAM: 16 GB
MB: ASRock 980DE3/U3S3 (Virtualization enabled in BIOS options).
Sorry if I'm posting in the wrong section. Thanks.