Plutonium

As long as you don't use a software to mess with the game you're fine

https://forum.plutonium.pw/search?term=mod menu&in=titles&matchWords=all&categories[]=23&sortBy=relevance&sortDirection=desc&showAs=posts

https://plutonium.pw/docs/anticheat

I have the same issue but instead the game freezes for a bit when "downloading game settings". Steam BO1 loads up almost immediately for me