When you say there are sounds missing, do you see the notes mapped (in blue) on the Kontakt keyboard? Have you done anything to the ";purge"; option in your tenor instruments? (see screenshot) If so, some samples may have been unloaded, and you should select ";reload all samples.";
If that's not working, I'd recommend running the VDL 2.5.2 library updater which can be found on the Downloads page of the Tapspace site.
Legacy Forum Post
about 8 years ago
Tried that, still to no avail
Tried to reload the samples and do the update. still no luck.