Nero wave editor problem

:rolleyes: Need help.
in Nero (july 2nd release/update) wave editor when ever i try to work in the program and try to use a tool like the karaoke filter and then try to preview the change i get a error unable to open wave output device. i have set the options to use my sound blaster pci sound card and the wave mapper(only 2 options in drop down) i get the same message and i cant do any editing at all. I can use and open sound trax but thats about it.

Need some help please