a me a questo punto risponde così:
Elaborazione dei trigger per hicolor-icon-theme (0.15-0ubuntu1)...
Configurazione di virtualbox (5.0.40-dfsg-0ubuntu1.16.04.2)...
vboxweb.service is a disabled or a static unit, not starting it.
Job for virtualbox.service failed because the control process exited with error code. See "systemctl status virtualbox.service" and "journalctl -xe" for details.
invoke-rc.d: initscript virtualbox, action "restart" failed.
● virtualbox.service - LSB: VirtualBox Linux kernel module
Loaded: loaded (/etc/init.d/virtualbox; bad; vendor preset: enabled)
Active: failed (Result: exit-code) since ven 2018-02-16 14:38:34 CET; 4ms ago
Docs: man:systemd-sysv-generator(8)
Process: 8488 ExecStop=/etc/init.d/virtualbox stop (code=exited, status=0/SUCCESS)
Process: 8503 ExecStart=/etc/init.d/virtualbox start (code=exited, status=1/FAILURE)
feb 16 14:38:34 spaccabyte-K56CB systemd[1]: Starting LSB: VirtualBox Linux ....
feb 16 14:38:34 spaccabyte-K56CB virtualbox[8503]: * Loading VirtualBox kern...
feb 16 14:38:34 spaccabyte-K56CB virtualbox[8503]: * modprobe vboxdrv failed...
feb 16 14:38:34 spaccabyte-K56CB virtualbox[8503]: ...fail!
feb 16 14:38:34 spaccabyte-K56CB systemd[1]: virtualbox.service: Control pro...1
feb 16 14:38:34 spaccabyte-K56CB systemd[1]: Failed to start LSB: VirtualBox....
feb 16 14:38:34 spaccabyte-K56CB systemd[1]: virtualbox.service: Unit entere....
feb 16 14:38:34 spaccabyte-K56CB systemd[1]: virtualbox.service: Failed with....
Hint: Some lines were ellipsized, use -l to show in full.
Configurazione di virtualbox-qt (5.0.40-dfsg-0ubuntu1.16.04.2)..