I have installed a fresh copy of Ubuntu 14.04. Then I started to install some new softwares. But when i tried to see the description of some softwares, the following type of message was displayed.
Not found There isn’t a software package called “steam” in your current software sources.
Install button was also not available. And the softwares which I am able to install shows the following message in review section.
No network connection. Connect to the internet to see more
But I am connected to the internet and I have installed some softwares from software cente already.