i posted this as well, but help the community and all the 500 people posting the same question on 50 different threads, being totally useless.
Post the link from blizzards website, where you downloaded TBC / 2.0 from the official site, for free and without problems.
i posted one as well. just make a totally new thread, that hopefully an admin will read, make it sticky.
apparently its hard to find it for soooooo many people.
Come and join on Starcraft 2 as well =]