To make it real easy for you to get back in the saddle, try this link to download that last stable version of BV before BV10 came out .... it's good for seven days or 100 downloads, so time to get moving!
BV 9.13 >>
http://www.vodahost.com/vodatalk/241244-post4.html And I have had reports that it is a good file, but if you cannot use Winzip, it is going to be a problem. Try removing your old trial copy, and re-installing a new trial copy of Winzip altogether.