Aptdaemon should only be started on request by software-center and not by default on startup.
What does a lot of memory mean? Perhaps you should use Synaptic instead of software-center on your 10 years (?) old machine.
Are you familiar with the terminal? Could you switch to a terminal before the graphical login and check if aptd is already running?
Aptdaemon should only be started on request by software-center and not by default on startup.
What does a lot of memory mean? Perhaps you should use Synaptic instead of software-center on your 10 years (?) old machine.
Are you familiar with the terminal? Could you switch to a terminal before the graphical login and check if aptd is already running?