hey guys
i tried to install backtrack 5 r3 gnome 64-bit on vmware 12 pro and i completed all the steps till installing ubuntu center. for intalling ubuntu software center i entered the command apt-get install software-center but it showed that there is no file with such hostname.
what should i do??
Please help i have tried for about 5 times but am not able to figure out what is to be done..
i have the image of the problem