OMG!OMG!OMG! I've been having issues with Sonar since I tried moving it (and Steam) to another drive. I can't count how many times I deleted registry files, folders,files, etc. I finally get everything to work and the last thing I get is a greyed out scan button, and no vsti plugs option. No matte what I did and where I directed the plug in paths, nothing works.
Now this glorious guy Noel, from Cakewalk says
"
It sounds like your update was prematurely terminated or you cancelled out when it was copying files. You can force the user personalization by holding down shift while launching SONAR. Then allow it to copy files and initialize settings for your user account. After this try scanning again."
After doing that and re-starting Sonar X3 I saw the plug in scannin and found dialog and knew my problem was solved.
Thanks Noel!