After playing for half an hour or an hour, the screen starts to distort.

Sorry) my bad for the topic, the internet is just glitching, so it's like this.
Yes, the problem is only with Heroes. I've updated DirectX a million times.
It didn't help..
I'll post the config later.
I don't really understand this stuff, but my brother is a programmer, and we spent about three hours trying, but nothing worked.