UE 5.3 crashes on startup

[THE_ROSSIAGE]

Hi there.

Unreal Engine 5.3 keeps crashing on start-up for me. I had the same issue with 5.2 but I some how was able to fix it and unfortunately forgot how I did it.

he is the the crash report I am getting.

Fatal error: [File:D:\build++UE5\Sync\Engine\Source\Runtime\D3D12RHI\Private\D3D12Util.cpp] [Line: 903] hr failed at D:\build++UE5\Sync\Engine\Source\Runtime\D3D12RHI\Private\D3D12Resources.cpp:714 with error E_INVALIDARG

UnrealEditor_D3D12RHI
UnrealEditor_D3D12RHI
UnrealEditor_D3D12RHI
UnrealEditor_D3D12RHI
UnrealEditor_D3D12RHI
UnrealEditor_D3D12RHI
UnrealEditor_D3D12RHI
UnrealEditor_D3D12RHI
UnrealEditor_D3D12RHI
UnrealEditor_RHICore
UnrealEditor_RHICore
UnrealEditor_RHICore
UnrealEditor_D3D12RHI
UnrealEditor_RenderCore
UnrealEditor_RenderCore
UnrealEditor_RenderCore
UnrealEditor_Renderer
UnrealEditor_Renderer
UnrealEditor_Renderer
UnrealEditor_Renderer
UnrealEditor_Core
UnrealEditor_Core
UnrealEditor_RenderCore
UnrealEditor_RenderCore
UnrealEditor_Core
UnrealEditor_Core
kernel32
ntdll

Kind Regards.

[THE_ROSSIAGE]

Found the Solution it was this .dll

UE5 gpu crashed or d3d device removed

@Joshuab_artist I have several programs open when using the editor and no problems. But I have an AMD 5950k and 64gb of ram, so if you are using a lower end machine, it is possible to have too many programs open at once. I believe the D3D HUNG error has to do with Windows 11 and Nvidia drivers not playing nice with each other on some video cards. When the Unreal Editor or some Unreal games are in this environment, the card can crash. If you want to give the compiled/built file a try, here is t…