edit your form.
on the property sheet->event->timer interval = 60000 (1 minute interval)
click on the ellipse on the OnTimer event and choose Code Builder.
Private Sub Form_Timer
' kill the timer
Me.TimerInterval = 0
' refresh the form
Me.Refresh
' Re-instate timer (1 minute = 60000 millisecs)
Me.TimerInterval = 60000
End Sub