The update for mscore in the PPAs should contain the fix, but it may be required to remove the configuration file. If that does not work, please re-open the bug (with the usual information attached; I'll probably end up writing an apport hook at this rate!).
The update for mscore in the PPAs should contain the fix, but it may be required to remove the configuration file. If that does not work, please re-open the bug (with the usual information attached; I'll probably end up writing an apport hook at this rate!).