You can create a frm SWITCHBOARD on next way;
Tools, Database utilities, Switchboard Manager, Edit, New...follow vizard.
Switchboard manager make a table "Switchboard Item" and form
I prefer to make it on my way. (frm "MainMENU").
Set it up such the form open at start mdb.
Tools, Startup, Display Form/Page (MainMENU or Switchboard),
unselect "Display Database Window". It is all for the begining.
You can enter in MDB window by SHIFT button.
Look at MainMENU - on close event.