My ToDo/Addr/Memo buttons no longer run those apps while Datebk4 is running – why?
This is covered in a preference option in the PREFERENCES dialog that you reach through the Split-Screen menu (Tap on the menu icon at the top left). Note, however, that if you leave DateBk4 in control of those buttons, you can STILL access the original application assigned to that button by simply pressing the button twice, quickly (you can also adjust the time between key presses to do this by a preference option at the bottom of the dialog). But if you uncheck this preference option, you can still open the windows by tapping on the split-screen menu icon and selecting the database you want to open.