We frequently have recorded programs 'fracture' into small pieces that stop and start. It's frustrating to lose a program we were looking forward to watching. Sometimes we can advance 10 minutes or so and it will work again but usually not for long. Sometimes it mixes a program we are not recording with one we are recording. Not sure if this is the 'pixillating' problem others have mentioned. Our Motorola PVR was purchased through a local electronics dealer only a few months ago, replacing the old machine. Any suggestions?