See https://musescore.org/en/node/96811, and if that doesn't help, please ask for help in the Support forum and provide more information )eg, your OS, specific version of MuseScore as per Help / About, and what settings you see in Edit / Preferences / I/O after doing the revert to factory settings as suggested).
Comments
See https://musescore.org/en/node/96811, and if that doesn't help, please ask for help in the Support forum and provide more information )eg, your OS, specific version of MuseScore as per Help / About, and what settings you see in Edit / Preferences / I/O after doing the revert to factory settings as suggested).