Visual Basic para Aplicaciones - Quitar la contraseña de un proyecto VB en excel

Sub Quitar_contraseña()

    Dim a As Integer, b As Integer, c As Integer

    Dim d As Integer, e As Integer, f As Integer

    Dim a1 As Integer, a2 As Integer, a3 As Integer

    Dim a4 As Integer, a5 As Integer, a6 As Integer

    On Error Resume Next

    For a = 65 To 66

        For b = 65 To 66

            For c = 65 To 66

                For d = 65 To 66

                    For e = 65 To 66

                        For a1 = 65 To 66

                            For a2 = 65 To 66

                                For a3 = 65 To 66

                                    For a4 = 65 To 66

                                        For a5 = 65 To 66

                                            For a6 = 65 To 66

                                                For f = 32 To 126

                                                    Contraseña = Chr(a) & Chr(b) & Chr(c) & Chr(d) & Chr(e) & Chr(a1) & _

                                                                 Chr(a2) & Chr(a3) & Chr(a4) & Chr(a5) & Chr(a6) & Chr(f)

                                                    ActiveSheet.Unprotect Contraseña

                                                    If ActiveSheet.ProtectContents = False Then

                                                       MsgBox "¡Enorabuena!" & vbCr & "Se ha quitado la contraseña:" & vbCr & Contraseña

                                                       Exit Sub

                                                    End If

                                                Next

                                            Next

                                        Next

                                    Next

                                Next

                            Next

                        Next

                    Next

                Next

            Next

        Next

    Next

End Sub