ALT+F2->winecfg->Run
Does it shields out something?
Even if it's installed, which I think it is on 1.9, it must be ran once before you can use it or install windows programs with it, you can accept all the default settings for now.
I'm not sure if I remember right, but wasn't you who wanted to play poker online? If it's you then you may want to have a look at this one:
http://www.poker-eval.com/intro.phpIt's an extension for Firefox