我的电脑上已经装了SPSS15.0，现在安装从论坛上下载的AMOS 6.0时，却显示安装不了，出现以下对话框，请知道的大侠给予解释，并告知应怎样才能顺利安装，谢谢！

   不知道怎么贴图贴不上来，对话框英文是：“the Microsoft.Net Framework Version 1.1 SP 1 or later was not found on your machine. This is required for the Amos 6 installation to continue. Please install the Microsoft. NET Framework first. The installler for this……”