Crossover for Linux Professional and WoW: Burning Crusade Issue

[TVGlotzerrr]

Here's the issue: I install WoW (not Burning Crusade), then Burning Crusade, patch everything to the latest patches to update, and I have no problems.But, when I launch WoW, login, and select my server, it goes to the Character Selection screen and (not verbatim) tells me, "This account is has the Burning Crusade expansion enabled, but the Burning Crusade expansion is not installed on your computer."

I don't get it??!!

I ran Burning Crusade and logged in!
How is it "not" on my computer??

Any help with this will be greatly appreciated.

Edit: Sorry, I forgot to say I'm using Fedora Core 6 with Crossover Linux Professional 6.0.