http://www.advancedinstaller.com/user-guide/qa-keep-file.html
You need to modify some of the resource‘s component attributes, in the "Organization" page.
to prevent it from being uninstalled check the "Permanent" attribute
给要保留的文件设置【永久】属性应该就可以了，这是官方帮助提供的说明
如何让Advanced Installer卸载软件时保留一些文件
原文：http://www.cnblogs.com/netlyf/p/4591525.html