MKZ FILES FREEZE

Hi can you please help me resolve … I transferred an .mkz file to apple tv and it will not run properly it freezes while playing

Do you know the specs for your file? MKV files are supported, however even with aTV Flash installed the AppleTV hardware is limited to the following resolution: Up to 5 Mbps, maximum resolution 1280x720 @ 24fps, 960x540 @ 30fps