def METHOD_NAME(self):
    reg_path = self.WIN_REG_PATH.format(self.URL_SCHEME)
    reg = QSettings(reg_path, QSettings.NativeFormat)
    if reg.contains("Default"):
        reg.beginGroup("shell")
        reg.beginGroup("open")
        reg.beginGroup("command")
        if reg.contains("Default"):
            return True, reg.value("Default")
    return False, None