I installed everything correctly etc. all patsh are working. Kontakt 7 runs fine. I have Graphic and Loading Issues with Kontakt 8. Can anyone please help me?
There is a discussion of the exact same problem here. Alas then there are no final answer , but try and see if anything mentioned works.
Else try contacting N.I. Kontakt Support
In case that you need guidance contacting support : How to contact NI Support and How to get in touch with our Customer Care