def METHOD_NAME(self):
    if self.prepare.result is None:  # pragma: no cover
        self.close()
        return
    if self.prepare.errors:  # pragma: no cover
        errors_message = QMessageBox()
        errors_message.setText("There are errors during start")
        errors_message.setInformativeText(
            "During load saved state some of data could not be load properly\n"
            "The files has prepared backup copies in  state directory (Help > State directory)"
        )
        errors_message.setStandardButtons(QMessageBox.Ok)
        text = "\n".join(f"File: {x[0]}\n{x[1]}" for x in self.prepare.errors)
        errors_message.setDetailedText(text)
        errors_message.exec_()
    wind = self.prepare.result(title=self.final_title, signal_fun=self.window_shown)
    wind.show()
    self.wind.append(wind)