电脑安装任何一款游戏软件时都无法安装，当安装文件启动到99%的时候出现以下提示：
The installer you are trying to use is corrupted or incomplete
This could be the result of a damaged disk，a failed download or a virus
Tou may want to contact the author of this installer to obtain a new copy
It may be possible to skip this check using the /NCRC command ling switch (NOT RECOMMENDED)
系统是才装的呀
