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E:Type 'http://pastebin.ubuntu-gr.org/f50818e5c' is not known on line 1 in source list /etc/apt/sources.list

That is the message when I try to update. When I try to open software center its not opening!

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1 Answer

edit the file with gedit

gksu gedit /etc/apt/sources.list 

Comment out (add a # at the very front) or delete line 1.

Save and exit.

If you want us to review the line, post it here.

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