Directory boxes in Preferences erased after accessing and cancelling
1. Begin MuseScore with a default soundfont.
3. Click box in 'Default Soundfont' (under 'I/O').
Result: The selected soundfont you had is erased.
Result: The soundfont does not appear again.
Discussion: You must restart MuseScore to see the default soundfont again.
Using MuseScore 2.0 Nightly Build (5527) - Mac 10.7.3.