waves plugins crashig my Cubase5

I need help with my Cubase 5. I run Cubase in window8,64 bit. I have third party waves plugins wich I bought recently. Try to insert in my dawn and plugins crashing the host. There’s any solution to this problem to be solved.? Thanks Steinberg. I contact waves support,they don’t have any solution. The said,my host is the issue? :frowning: :blush: :open_mouth: