Friezes in the game (Overwatch 2)

I have such a problem with a lock at 240 fps (I have a 240Hz monitor so that there is no extra load) and every few seconds there is a frieze and a lightning icon.
i5 10400f
aorus 1080ti
deepcool 800w
asrock b560m pro4
adata su650 248gb
wd blue1tb