What the heck happened here??

I noticed something strange going on in my Connections tab, Windows Operation System spawned 5-6 processes and it placed them to listen on random TCP ports, my computer is configured in a way so that if there was malicious activity going on the attacker would not be able to connect to my pc, regardless of his tactics.
Does this look like some type of malicious activity? I was browsing youtube listening to music when this happened, i noticed because my system started moving at a crawl.
Popped up my active connections and this is what it gave me.
Whats going on?

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Can you tell us more about how you set up your CIS?