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A screenshot from software center

When I tried to install software's (say Play on Linux / Eclipse), The software center says that Available from multiverse source and there is only a button Use this Source. At the same time I can remove softwares which I installed earlier. I tried via Terminal but it says that 

Reading package lists... Done
Building dependency tree 
Reading state information... Done
E: Unable to locate package`

I tried this answer, But no visible change. the above result repeated and No install button on Software Center

MGJ
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1 Answers1

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only for terminal problem

this happence because ur typing incorrect spelings of the packages.also you shoul not use capital leatters in terminal for package name.to viwe package name download synaptic package manager.then search the softwere name which u want to install and it will give you list of avilable packages.now type this package name in terminal

sudo apt install package-name

now to download synaptic package manager type following command

sudo apt install synaptic

now if these command did not work then type following commands respectively

sudo apt-get update
sudo apt-get upgrade

now try again the upper command which i just mentioned.

also try changing your server by going in software and updates try changing your severer

also your Ubuntu version is old. you should update you os to 16.04 lts which is last resort

if this dose not work then inform me by leaving comment under this answer