install oracle 10g2 client under Vista environment

i setup a vista environment with oracle 10gr2 client, it made me terribly defeated a whole day. in the end i understood that install oracle 10g2 client under Vista environment must be close vista UAC, than installed by default mode.

and the following is another ways to install seccessfully:

首先、确保你有该文件夹的完全控制权。（修改：文件夹点右键属性-〉安全-〉高级-〉所有者-〉改为自己。接着编辑自己的权限为完全控制）
其次、将setup.exe的兼容性改为windows server 2003(server pack 1)。就是右键属性-〉兼容性-〉兼容模式中。
接着、右键，以管理员身份运行。
最后、会出现兼容性问题的提示框。选择运行程序。