Dual-layer Blu-rays can be problematic as well as DL DVD's. I have one player that works just fine for all single-layer Blu's, but often freezes up when playing DL's. My other machines do not. I have tried cleaning the lens, etc. but that one machine is simply stubborn, which is why having...
Try this if you have a Blu that is having moments of digital breakup or even freezing:
Look at the disc under a magnifying glass. Look really closely. If you notice any very fine speckling, you might be able to salvage the disc. Lay it flat and use a lot of pressure with microcloth, working...