两个星期了,为什么防火墙和杀毒软件无法升级啊???急急急!!!

不知道为什么,突然就无法升级了,点击软件升级,就回弹出下面这个对话框,谁能帮我看一下到底是怎么回事???

SmartUpdate
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)