When I switched from 4.19 to 4.24, I realized that the lighting was changed. Then I learned that Unreal added the new physical lighting units in 4.21 . And I thought this might be the reason. Aside from that, the screenspace reflections look a bit different than the way they did back in 4.19 . It’s okay to have a 100% GPU utilization. Many games work on 100%, so why wouldn’t game engines?
I don’t know if Unreal was attempting to calculate Ray-Tracing for some reason, but I couldn’t even record a product that I was preparing for Unreal Engine Maketplace: Post Apocalyptic/Wasteland Props Pack Vol. 1. The thing is, the issue only occurred when I attempted to use 4k-8k textures on huge meshes like “washing machine” for higher texture resolution.
Meanwhile, I found out that the fans on my laptop were not at their highest capacity and I also started having issues with the games that require small graphical computation(e.g. CS:GO, Rocket League). I also saw tha both my GPU and CPU temperature reached to 93°C. I fixed the fans and the problem was gone, but I don’t know if it fixed the UE4 crash issue as well.