哪位大侠帮忙解答一下
  今天安装魔兽争霸的时候 
  打不开安装文件

      提示是
  installer integrity check has failed . Common causes include incomplete download and media.Contact the installer's author to botain a new copy

用户系统信息：Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; GTB5; QQDownload 1.7)