Nexus Vst somehow not found


Hey guys,
i got my Nexus vst installed in my vst Folder on my Desktop everything is in this ordner like the dll and all the Content. So what is missing? every other vst in this ordner is found by Studio one without any Problems and usable but Nexus somehow isnt. Do you got any ideas where i made the mistake?
i would be very very thankfull for some answeres beacause this Problem bothers me way to hard haha