Nik Collection is a great graphical effects plugin pack to work with your favorite raster editor [mine is Affinity Photo in case you are interested]. Everything is fine, except annoying update popup, which is opening right after every plugin initialization. Such stuff completely breaks workflow if you don’t want to update for some reason. And there is no way to turn it off from GUI using normal methods. However, you can shut update checks off from configuration file, which is located here: