I have installed amarok 1.3.7 from repositories in ubuntu breezy (normal update) and when I try to start amarok, it says that sound engines could not be found, but amarok-gstreamer and amarok-xine are installed.
With the preovious version (1.3.2 I think) all worked right.

I thought on configure sound engine plugin in amarok, but it doesn\'t start, only displays de error message.
Is there any config file that I can change to select any engine?

Did you also install the engines of the same version (1.3.7)? It won\'t accept your older engines.