I’ve been having a lot of trouble with these MKV files I keep getting. When burned directly, they never quite function properly, and frequently cannot be read on older BLU-ray players. I’ve managed to scrape up some 1080p BLU-ray ISOs of the Silver Screen edition and Grindhouse Empire, but I cannot find a Grindhouse Return of the Jedi ISO and therefore must convert an MKV file I currently have.

Any idea what program I would use? I’m at a loss. I currently have imgburn and handbrake installed, but have had success with burning blu-rays from Encore more often than not.