Have you tried the relink? Here is how just in case "2" On the TiVo Slide remote, press and hold the TiVo button and the blue "B" button simultaneously. When the activity indicator light blinks blue, release the buttons.
"3"On the USB receiver, press and hold the button until the LED starts blinking.
"4"After a few seconds, the remote's activity light will blink rapidly 5 times and then go off if pairing is successful. If pairing is unsuccessful, repeat steps 2 and 3.
Hope this helps. I had the same problem and the relink helped.