In my machine.....
c> program files > cakewalk > vst plugins > cakewalk sound center > modules > multisamples > dim pro
this is where a bunch of the CSC stuff is located that I bought as the add on sound packs.....Steinway Grands and world sounds. They are in the Dim Pro folder but I can access them from CSC.
Hope this helps. It took a bit of looking to find this.