Try this
Private Sub Worksheet_Change(ByVal Target As Range)
Const WS_RANGE As String = "A1" '<== change to suit
On Error GoTo ws_exit
Application.EnableEvents = False
If Not Intersect(Target, Me.Range(WS_RANGE)) Is Nothing Then
If Target.Value = 1 Then
Parent.Save
Parent.Close
End If
End If
ws_exit:
Application.EnableEvents = True
End Sub
'This is worksheet event code, which means that it needs to be
'placed in the appropriate worksheet code module, not a standard
'code module. To do this, right-click on the sheet tab, select
'the View Code option from the menu, and paste the code in.