What can cause a sharp drop in fps in games?

Question

Iron

https://www.youtube.com/watch?v=NQGBZj7fkN8
Please tell me what can be done

Answer 1

avast demolish, after the last update, my friend started a similar garbage on both the computer and the beech, although everything is fine with me. moreover, remove it, if this is not the case, it’s not a problem to put