The early termination fee is applicable if you're still under contract, and it's typically valid unless you work with the official reps here or on social media and follow the troubleshooting steps they indicate, including conducting the speed tests that are described on this site. Without going through the process with the reps, you will need to pay the termination penalty. As for Norton, the reps here can check on why it hasn't been removed from your account. You may need to wait until next week for them to assess your situation, or you can contact the phone reps at the toll free number. The early termination fee is not related to how much money you have paid so far.
EDIT: additionally, they do not remove the dish; you have to do that yourself.