The #1 cause is a corrupted driver state. – perform a clean removal.
If you are on a laptop, your computer likely has two GPUs: an integrated one (Intel/AMD) and a dedicated one (NVIDIA/AMD). The game might be trying to run on the integrated GPU, which may not support the required D3D11 features. failed to initialize graphics backend for d3d11
If you are a developer (not just a player) and you see this error when packaging or running your project in Unreal Engine 5: The #1 cause is a corrupted driver state
When to suspect hardware failure
Quick checklist — try these first
