Every time I launch the PC editor, it lagged then moments later it crashed And look at that: Fatal error: [File:F:/DEV/ND24-BuildPublicEditor-EpicRelease/Engine/Source/Runtime/Windows/D3D11RHI/Private/D3D11Util.cpp] [Line: 198] Unreal Engine is exiting due to D3D device being lost. (Error: 0x887A0006 - 'HUNG') TrainSimWorldPublicEditor_D3D11RHI TrainSimWorldPublicEditor_D3D11RHI TrainSimWorldPublicEditor_D3D11RHI TrainSimWorldPublicEditor_D3D11RHI TrainSimWorldPublicEditor_RHI TrainSimWorldPublicEditor_Engine TrainSimWorldPublicEditor_Engine TrainSimWorldPublicEditor_Engine TrainSimWorldPublicEditor_Core TrainSimWorldPublicEditor_Core TrainSimWorldPublicEditor_RenderCore TrainSimWorldPublicEditor_RenderCore TrainSimWorldPublicEditor_Core TrainSimWorldPublicEditor_Core kernel32 ntdll