我进行瑞星防火墙（21.20.50）的自动升级
不过显示 An error occurred while reading the configuration file.Please try to repair the file using Add/Remove Programs in the Windows Control Panel and try again (1)
怎么办  ？
请帮助一下！！

用户系统信息：Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)