WINE is a compatibility layer. It translates windows system calls into linux (or mac) system calls. Its much faster than a virtual machine, but you will need to reinstall under the WINE environment. Sometimes WINE lacks the becessary skills to use certain programs, but if you can get cvbj...
Sorry to dredge up such an old thread, but I am having this exact same problem with wine and Casino Verite. Reinstalling has not helped me at all. Did anyone else ever figure this out?