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.
You may want to contact the author of this installler to obtain a new copy.
It may be possible to skip this check using the /NCRS command line switch (NOT RECOMMENDED).
这是什么问题?我单线程多线程下载都试过,改兼容模式还重下了N次就是没一次能装.