I don't know what I did but the app center no longer works. When I try to install something it says waiting and then install comes back up. Also in the terminal whenever I type in a Audi command it says that it's unknown.

  • What do you mean by an Audi command?
    – lemonslice
    Nov 10 '16 at 9:27
  • I understand from your question that you're looking for some kind of reinstallation keeping your data. There's an answer from @ThiagoJedi that, thought refering to "Freya" should be considered valid also for "Loki": elementaryos.stackexchange.com/a/2553/6398 Nov 10 '16 at 16:43

Try running sudo apt-get update in the terminal, it worked for me at least.

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