Ok that's good, now we can SEE in RB but not in BB that there is no waveform. Did you try and re-install them did you say ?
Can you try and convert to wav,in RB Top Menu > File Edit Generate
(Render) > Batch Convert Select "C:\bb\RealTracks\Violin, Background, PopLow Ev 085 (1TrackStringSection)" for input and output
after you should have the following
fi0851.bt1
fi0851.wma
fi0851.wav
...
...
...
then try and Generate
RT2338:Violin, Background, PopLow Ev 085 (1TrackStringSection)