First, make sure you downloaded all the parts successfully

Then try both Winrar and 7-zip
And this one may help :
http://www.bytetips.com/error-unexpected-end-of-archive-tips-2/

所有跟帖： 

• 謝謝樓上三位！用 7-zip 解決了! -HappyNow?!- ♂ (0 bytes) () 02/08/2011 postreply 13:40:18