virtualbox

Atualizado em 22/09/2016 deu pau
The device helper structure version has changed.

If you have upgraded VirtualBox recently, please make sure you have terminated all VMs and upgraded any extension packs. If this error persists, try re-installing VirtualBox. (VERR_PDM_DEVHLPR3_VERSION_MISMATCH).

Precisa instalar o novo extension pack em https://www.virtualbox.org/wiki/Downloads (igual pra todas as plataformas)
Faz download e dá dois cliques com o botão esquerdo, aceite os termos e pronto