Getting the same problem on a mac, using unrarx, unarchiver, etc. Even tried dragging it into VMware and opening it in windows with winrar, but still no dice.still not working with latest winrar,says damaged files
Eventually downloaded rar from http://www.rarlab.com/download.htm and extracted from there. (path/rar x file) and that worked.
The file I had the problems with was LESL-325