Menu System Tools/Software Updater not working after, Lubuntu upgrade from 16.04 to 18.04

[Ralf Mardorf]

On Fri, 2018-08-24 at 16:43 +0200, grasso wrote:
> When I run update-manager in the terminal there is no window popping up.

Hi,

I doubt running a manager to update software without root privileges
makes much sense, since sync of the package index files already requires
root privileges. Try running

  gksudo $(which update-manager)

and if it fails, copy and paste the _command_ + the _complete output_ as
is.

Regards,
Ralf