Did you accidentally detatch your edit window from the main window? Double click the MIDI again and look at the bottom right corner of S1. If the "Edit" button is highlighted, and you aren't seeing your editor, then its detached. If thats the case, try minimizing your main window, and see if you see it then. then use the arrow in the top right corner of to re-attatch it. If that is not the case, try uninstalling and reinstalling S1. the 3.2 update may have caused a bug.