Ubuntu 16.04 : Gnome Ubuntu Software Doesn't Open At All [duplicate]
You can install the classic 'Package Manager' : sudo apt-get install synaptic
If no visible launcher, please start synaptic with : synaptic-pkexec
You can install the classic 'Package Manager' : sudo apt-get install synaptic
If no visible launcher, please start synaptic with : synaptic-pkexec