I followed some commands online to install skype but now my repository list is filled with stuff i dont want. How can i restore back the list in Ubuntu 16.04 LTS 64-bit?
OS:Linux Ubuntu
OS Version:16.04 LTS
OS Architecture: 64-bit
Simply uncheck or remove everything with ppa.launchpad.net
in its name. All the standard repositories are configured in the Ubuntu Software tab and not in the Other Software tab where you are looking.