Although it may happen with any file you have tried, it doesn't happen with any of our files. So in order to assist, we will need to you attach one of the files where you encounter this problem reliably, and give the precise steps to reproduce. Also say what OS, what version of MuseScore, what audio devices you are using (see Edit / Preferences / I/O) and what soundfonts you are using (see View / Synthesizer).
Comments
Although it may happen with any file you have tried, it doesn't happen with any of our files. So in order to assist, we will need to you attach one of the files where you encounter this problem reliably, and give the precise steps to reproduce. Also say what OS, what version of MuseScore, what audio devices you are using (see Edit / Preferences / I/O) and what soundfonts you are using (see View / Synthesizer).