Musescore 4.6 doesn’t start and it shows the following output at terminal qt.qml.typeregistration: Invalid QML element name "IconCode"; value type names should begin with a lowercase letter qt.qml.typeregistration: Invalid QML element name "MusicalSymbolCodes"; value type names should begin with a …

[image] Latest MuseScore 4.6.5 not running after latest Stable Update Software & Applications For whatever it is worth, I just downloaded the AppImage from MuseScore’s website and it worked perfect.

Manjaro Linux Forum

After update Musescore fails to launch

Support System Updates

pwx 4 May 2026 19:16 2