Motion "stutters" when playing MKV files. Forum › Forums › Freesat HD › HDR 1000, 1010, 1100S › Motion "stutters" when playing MKV files. Tagged: MKV, motion stutters This topic has 29 replies, 6 voices, and was last updated 4 years, 1 month ago by Anonymous. You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In