Oracle VirtualBox

For those who, like me and after browsing 9000 of these pervasive helpless "expert forums" ("just run as admin, that solved everything for me!11!!1") and short before switching to a better virtualization engine, here for the records and for your time-saving my findings, with a lot of thanks to one of these rare helpful blog posts. And it is just as sick and loco as you may want to imagine when dealing with Oracle.