Hello again! Let's address the remaining steps and the new information you've provided.
Regarding the clean boot, it could indeed offer valuable insights into whether background processes are contributing to the problem.
Using DDU is another worthwhile step to consider, given its potential to rectify driver-related issues.
Concerning underclocking, I suggest stress testing the GPU/CPU without underclocking initially to ascertain if the system remains stable. Monitoring temperatures during stress tests will provide valuable data regarding their performance.
As for the clean installation of Windows, it's a step worth considering as a final resort to ensure a fresh environment for troubleshooting.
NVIDIA OpenGL Driver Warning:
Reinstalling the driver using DDU should help resolve this.
Crash Dump Analysis:
The specific error (INVALID_POINTER_READ_c0000005_BellwrightGame-Win64-Shipping.exe!Unknown) suggests that the game is trying to read from an invalid memory address.
I'm confident we'll make further progress with these additional steps. Let's continue working through them systematically to pinpoint and resolve the underlying issue.