Не могу удалить / удалить virtualbox-6.0

Я получаю следующую ошибку при попытке удалить VirtualBox 6.0 в Ubuntu 18.04:

$ sudo dpkg --remove --force-all virtualbox-6.0
[sudo] password for x540sa: 
(Reading database ... 190946 files and directories currently installed.)
Removing virtualbox-6.0 (6.0.12-133076~Ubuntu~bionic) ...
debconf: DbDriver "config": /var/cache/debconf/config.dat is locked by another process: Resource temporarily unavailable
dpkg: error processing package virtualbox-6.0 (--remove):
 installed virtualbox-6.0 package pre-removal script subprocess returned error exit status 1
debconf: DbDriver "config": /var/cache/debconf/config.dat is locked by another process: Resource temporarily unavailable
vboxdrv.sh: failed: modprobe vboxdrv failed. Please use 'dmesg' to find out why.

There were problems setting up VirtualBox.  To re-start the set-up process, run
  /sbin/vboxconfig
as root.  If your system is using EFI Secure Boot you may need to sign the
kernel modules (vboxdrv, vboxnetflt, vboxnetadp, vboxpci) before you can load
them. Please see your Linux system's documentation for more information.
Errors were encountered while processing:
 virtualbox-6.0