The problem is the animation of the melee. (Fallout 4)

There were already people who had the same problem here is the link
https://forums.playground.ru/fallout_4/pomogite_s_animatsiej_fallout_4-973399/
I have everything exactly the same, there have a screen. It's funny what it was before you installed the mods :D
At that time I was pozabil, but right now, fallout 4 to reinstall later due to a fairly large number of graphical mods, which of course weigh a lot.