Program crash 8.5 pro trial

Have been testing 8,5 pro trial for a week now
but when I double-klick on a midipart for looking at it in the Key-editor
the program locks and I can´t see anything in the Key-Editor. :astonished:

This works ok in my 8.0 Elements
so what´s the problem? :blush:


There are several possibilities that can cause this behavior. A good way to start is this, because a lot times things like these are caused by corrupted preference files: