Preset Noises Missing- please help

I am missing two folders in my noise presets - MPM and Spectrum Noises. I've updated Serum hoping it would fix it, but they still aren't there. I've done a search and the files don't exist anywhere on my computer. Does anyone know how I can get these presets (they are supposed to come with Serum), or how I can install them please? Thanks.

Those are not files with are included with Serum, they should have been supplied with the presets that you are trying to load.