Slow Remote, menus & voice commands unresponsive

The remote for my main box is very slow. I've refreshed and restarted the system, and replaced the batteries, but nothing helps. Rarely does the voice command function respond. I get the message that something's not right and  that voice commands aren't available right now.  Also, I find the menus have two many steps when trying to accomplish even the simplist of tasks like deleting a saved program. I don't need to be asked to confirm, and then see a pop up that says my request is being processed, and finally that the program has been deleted. I'm a former Direcxt TV customer and loved the naviagation, menus, favorite lists and other user options. I'm not a happy camper.