I upgraded my Linux Ubuntu to Ubuntu 18.04 and Software Center seems to be missing. I tried to install from Command line. But I endup with the following Error.

> user@user-HP-ProBook-450-G2:~$ sudo apt-get install software-center
> [sudo] password for user:  Reading package lists... Done Building
> dependency tree        Reading state information... Done Package
> software-center is not available, but is referred to by another
> package. This may mean that the package is missing, has been
> obsoleted, or is only available from another source
> E: Package 'software-center' has no installation candidate
> user@user-HP-ProBook-450-G2:~$ ^C user@user-HP-ProBook-450-G2:~$

Your commands are wrong for both, it's:

sudo apt-get install software-center* 

with an asterisk (*) at the end, and the same with:

sudo apt install gnome-software*

However the store constant crashes and currently won't allow or stay open long enough to install software, it's a broken mess.


it happened to me too after installing GNOME tweak. What I did was I install GNOME software and the software center reappeared on my dock (as I favorite it)

sudo apt install gnome-software

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