For some reason it would not let me delete them directly there - so I had to go into windows/system32/tasks and delete them manually there. They did not reappear after rebooting.
Nox Happy Wheels VLC
For large files and when you use many outputs with high resolutions from one server the memory size of the gpu can be an issue. I doubt though that any card with 6 outputs can really give you 6 output screens with 4K and 50/60fps.