Private Sub Worksheet_Change(ByVal Target As Range)
lRow = Range("E65536").End(xlUp).Row
If Target.Count > 1 Then Exit Sub
If Not Intersect(Target, Range("E2:E" & lRow)) Is Nothing Then
If Target.Value = 3 Then MsgBox "Refer to Manager"
If Target.Value = 4 Then MsgBox "URGENT - Refer to Manager"
End If
End Sub