Auto mount and polkit not working

i instaled clear linux in my pc using the sever version y almost ready y just have two probles the automount is not working and i can not execute the gparted using the menu of xfce i get this errot Error executing command as another user: No authentication agent found.
i instaled the os-utils-gui bundle to get a working xfce desktop without gnome and those are the only problens i can not fix please some help

I wish they will help for you.