gstreamer error

[Osmany Guirola Cruz]

Hi 
i istalled rhythmbox and get this error 
Failed to create the player: Coldn't initialize scheduler. Did you run
gst-register?

then i run gst-register and this is the error

....
.....
..
Added plugin dvdreadsrc with 1 feature.
Added plugin cdparanoia with 1 feature.
Added plugin artsdsink with 1 feature.
Added plugin aasink with 1 feature.
Added plugin cdplayer with 1 feature.
Bus error (core dumped)

I can't use rhythmbox :-(

what can i do

thanks