I cant open the new downloads with the rar file ext.
Here's a free program that should work for you:
http://download.cnet.com/Free-RAR-Extract-Frog/3000-2250_4-10804840.html?tag=mncol (http://download.cnet.com/Free-RAR-Extract-Frog/3000-2250_4-10804840.html?tag=mncol)
Thanks