Youre going to find a lot of apps are quirky. qtirreco has done this to me a few times and just removing it and reinstalling it usually gets it going.

TVbgone is probably one of my favorite apps spits out something like over a hundred off codes in about 90 seconds. Nothing better than sitting in the bar during sporting events and shutting off the big screens. No one ever thinks it could be from a phone because there really arent any phones with an IR port