It gives me this
E:Malformed line 3 in source list /etc/apt/sources.list (dist parse)
E:The list of sources could not be read.
E:The package lists or status file could not be parsed or opened.
It gives me this
E:Malformed line 3 in source list /etc/apt/sources.list (dist parse)
E:The list of sources could not be read.
E:The package lists or status file could not be parsed or opened.
You have an error at line 3 of your /etc/apt/sources.list file. Fix it manually by running
sudo gedit /etc/apt/sources.list
or post contents of this file to your question, if you need help.