防火墙升级不了

当前版本:21.19.22
一按软件升级就冒
"An error occurred while reading the configuration file.Please try to repeir the file using Add/Remove Programs in the Windows Control Panel and try again"
这串英文

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