UE4 Start error

219618-

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Fatal error: [File:D:\Build++UE4+Release-4.18+Compile\Sync\Engine\Source\Runtime\Windows\D3D11RHI\Private\D3D11Util.cpp] [Line: 182] Unreal Engine is exiting due to D3D device being lost. (Error: 0x887A0006 - ‘HUNG’)

UE4Editor_Core!FDebug::AssertFailed() [d:\build++ue4+release-4.18+compile\sync\engine\source\runtime\core\private\misc\assertionmacros.cpp:414]
UE4Editor_D3D11RHI!TerminateOnDeviceRemoved() [d:\build++ue4+release-4.18+compile\sync\engine\source\runtime\windows\d3d11rhi\private\d3d11util.cpp:192]
UE4Editor_D3D11RHI!VerifyD3D11CreateTextureResult() [d:\build++ue4+release-4.18+compile\sync\engine\source\runtime\windows\d3d11rhi\private\d3d11util.cpp:280]
UE4Editor_D3D11RHI!SafeCreateTexture2D() [d:\build++ue4+release-4.18+compile\sync\engine\source\runtime\windows\d3d11rhi\private\d3d11texture.cpp:443]
UE4Editor_D3D11RHI!FD3D11DynamicRHI::CreateD3D11Texture2D() [d:\build++ue4+release-4.18+compile\sync\engine\source\runtime\windows\d3d11rhi\private\d3d11texture.cpp:702]
UE4Editor_D3D11RHI!FD3D11DynamicRHI::RHICreateTexture2D() [d:\build++ue4+release-4.18+compile\sync\engine\source\runtime\windows\d3d11rhi\private\d3d11texture.cpp:1033]
UE4Editor_RHI!FDynamicRHI::RHICreateTexture2D_RenderThread() [d:\build++ue4+release-4.18+compile\sync\engine\source\runtime\rhi\private\rhicommandlist.cpp:2363]
UE4Editor_RHI!FRHICommandListImmediate::CreateTexture2D() [d:\build++ue4+release-4.18+compile\sync\engine\source\runtime\rhi\public\rhicommandlist.h:3810]
UE4Editor_SlateRHIRenderer!RHICreateTexture2D() [d:\build++ue4+release-4.18+compile\sync\engine\source\runtime\rhi\public\rhicommandlist.h:4614]
UE4Editor_SlateRHIRenderer!FSlateFontTextureRHIResource::InitDynamicRHI() [d:\build++ue4+release-4.18+compile\sync\engine\source\runtime\slaterhirenderer\private\slaterhifonttexture.cpp:23]
UE4Editor_RenderCore!FRenderResource::InitResource() [d:\build++ue4+release-4.18+compile\sync\engine\source\runtime\rendercore\private\renderresource.cpp:31]
UE4Editor_RenderCore!TGraphTask