为什么安装会出现 itunes was not installed correctly

为什么安装会出现 itunes was not installed correctly iTunes was not installed corrctly什么意思? 实况足球2011安装后出现the file is either damaged or was not installed 为什么安装好魔兽之后.会出现world of warcraft was unable to find a suitabl 实况足球10出现the game is not properly installed itunes运行不了,显示Apple Application Support was not found... The registration code was not installed or is invalid .Pleas the registration code was not installed or is invalid.Please The rigestration code was not installed or is invalid.please 安装模拟人生欲望街车时出现：the installed version of teh sim3 is more than 为什么我安装widows media player会出现以下错误? 安装steam跳出这个问题This product can not be installed to the root d