bcdedit /set hypervisorlaunchtype off
from: https://martinvanbeurden.nl/blog/virtualbox-numlock-weirdness/
set path=%path%;C:\Program Files\Oracle\VirtualBox
cd "%HOMEPATH%\VirtualBox VMs"
:: Set numlock boot
for /f "tokens=*" %G in ('dir /b /a:d ".\*"') do (VBoxManage setextradata "%G" GUI/HidLedsSync "0")