UE4 Crashing When Launched

Development Platform & Builds
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1

When I start the UE4Editor.exe let it be in normal or DirectX10 mode, it just doesn’t show up. The program crashes and delivers the following log. link text

2

Hi ,

Thank you for your report. It appears that the problem occurs here:

[2014.03.22-16.10.52:761][ 0]LogWindows: Direct3DDevice->CreateBuffer(&Desc,pInitData,VertexBufferResource.GetInitReference()) failed
at C:\UnrealEngine4\Engine\Source\Runtime\Windows\D3D11RHI\Private\D3D11VertexBuffer.cpp:69
with error E_INVALIDARG

This is an issue that has been reported in this thread:

We are currently working on a resolution.

Thank you,