Tune Waves plugin error on Sonar X1? "Rewire link can not be established"

Hi,

I'm running Sonar X1 on vista 32 bit.  

I keep getting the above error message when I open Waves Tune vst- I'm running the latest 32 bit Rewire and it appears under sonar Plugins as "Rewire". Rewire should apparently open as an instrument but it doesn't show up.