All content is on an external drive. I was also doubled on the C drive, which I have now removed the content from. Native Access sees its pointed to the external F drive. Updates seem to have gone successfully to the F drive, as it flashes.
I open Kontakt. the hazard sign says Libraries not found. Click the 'Manage Libraries' to set the content via native access. Well that's already been done.
When I select 'Manage Libraries' it brings up the Options tab, of which is an obscure launch native access in grey off on its own on the right, which I missed the first 5 times