Halionone optimization Library missing

For various reasons ( at work , a school) I want to have halionone installed on our single machine that runs Cubase.
However when i tried to load an instance of Halionone I get the message in the subject field.
Halionone loads but I can’t see any of the instruments. When I look at the location field there is an icon but it is not labelled.

I have un-installed and re-installed Halionone but that hasn’t sorted it.

WHat and where is the optimization library anyway?

Many thanks

Viking