1.将文件属性设置为 只读。 脚本命令 attrib +r *.CAB
2. HKEY_LOCAL_MACHINE/Software/apps/Microsoft Application Installer/nDynamicDelete
= 0 不自动删除
= 2 默认自动删除
HKEY_CLASSES_ROOT/cabfile/Shell/open/command
=wceload.exe "%1" /nodelete 不自动删除;
=wceload.exe "%1" 默认自动删除
原文转自:http://blog.youkuaiyun.com/icycoffee/article/details/4433048