Often incredible stuttering issues - seems to only run off 2 CPU cores?

Last time we saw this, a player’s Anti-Virus was interfering with their set Affinity. It’s my understanding the Anti-Virus set the Affinity for our anti-cheat service Easy Anti-Cheat, which Vermintide 2 then inherited. It’s worth looking at what’s set for Easy Anti-Cheat to start with, and whether your Anti-Virus could have something to do with it.