Hello, maybe you can try the following methods, hope those way can help you: 1. Upgrade the video editing app updating the app and removing the cache files can fix MTS video playing problem. 2. Update your PC drivers It may be possible your PC video drivers are not updated, which may have been causing the MTS videos stuttering issue. Update your PC drivers by performing Windows updates. Or you can apply a MTS video recovery tool, I recommend the Bitwar Recovery tool, I think you can have a try.