J. Drahun wrote:

> Sorry for the previous hijacked thread.
> 
> The problem is I get error instead of mounting a drive:
> Unable to mount this device.
> Potential reasons include:
> Improper device and/or user privilege level
> Corrupt data on storage device
> Technical details:
> org.freedesktop.UDisks2.Error.NotAuthorizedCanObtain: Not authorized to
> perform operation
> 
> I checked my groups. They are: disk, floppy, cdrom, vboxusers, root.
> Aren't they enough?

sorry forgot to mention

sudo pam-auth-update --force

https://bugs.launchpad.net/ubuntu/+source/policykit-desktop-privileges/+bug/1240336