The picture on my tv has been flickering for sometime off and on when I have Dish on. I called Dish and their CSR told me it was probably my receiver having trouble downloading new filmware , whatever that is. She told me 3 things to do to remedy the problem. I did the first thing, which was unpluggng the receiver for 45 minutes. It seemed to help some, but the picture still flickers some. Before I go to number 2 thing to try, has anyone else experienced this problem and if so how did you fix it? This downloading of filmware could it cause the flickering of the picture?