Want to use old Groove Agent SE in Cubase 6

I liked the simplicity of GA SE that I bought with Studio Case back in 2004(?). I have Cubase 6 on OSX 10.6.7 and tried installing from my old Studio Case Discs. An error message popped up (something about being unable to handle a particular wav file) and the whole attempt was a bust. I would like to use GA SE again. Any suggestions?