It worked! Thank you.

Operating system: Windows XP Professional. (Yup...)
Graphic Card (I'm sure that's the name): Nvidia GeForce GT 630 (Yup... x2)

I don't know what OpenJK means so I guess I have Vanilla game.

No, I don't have it...

And no, there is no number.

"------- sound initialization -------
Initializing ...

Ok so, I'm new here and I cannot join any server because it says something like: "Failed to open Jedi Academy.
Cannot start service because it's not running or has no devices associated to it"
I tried to translate it because I'm spanish and it shows in spanish...
Anybody knows how to fix?