When I try to open UE4, it crashes.
Please help
Fatal error: [File:D:\Build++UE4\Sync\Engine\Source\Runtime\Windows\D3D11RHI\Private\D3D11Util.cpp] [Line: 251] Result failed at D:\Build++UE4\Sync\Engine\Source\Runtime\Windows\D3D11RHI\Private\D3D11Viewport.cpp:361 with error 8876017C
UE4Editor_Core!FDebug::AssertFailed() [d:\build++ue4\sync\engine\source\runtime\core\private\misc\assertionmacros.cpp:417]
UE4Editor_D3D11RHI!VerifyD3D11Result() [d:\build++ue4\sync\engine\source\runtime\windows\d3d11rhi\private\d3d11util.cpp:251]
UE4Editor_D3D11RHI!FD3D11Viewport::PresentChecked() [d:\build++ue4\sync\engine\source\runtime\windows\d3d11rhi\private\d3d11viewport.cpp:363]
UE4Editor_D3D11RHI!FD3D11DynamicRHI::RHIEndDrawingViewport() [d:\build++ue4\sync\engine\source\runtime\windows\d3d11rhi\private\d3d11viewport.cpp:665]
UE4Editor_RHI!FRHICommandListExecutor::ExecuteInner_DoExecute() [d:\build++ue4\sync\engine\source\runtime\rhi\private\rhicommandlist.cpp:325]
UE4Editor_RHI!FRHICommandListExecutor::ExecuteInner() [d:\build++ue4\sync\engine\source\runtime\rhi\private\rhicommandlist.cpp:578]
UE4Editor_RHI!FRHICommandListExecutor::ExecuteList() [d:\build++ue4\sync\engine\source\runtime\rhi\private\rhicommandlist.cpp:628]
UE4Editor_RHI!FRHICommandList::EndDrawingViewport() [d:\build++ue4\sync\engine\source\runtime\rhi\private\rhicommandlist.cpp:1509]
UE4Editor_SlateRHIRenderer!FSlateRHIRenderer::DrawWindow_RenderThread() [d:\build++ue4\sync\engine\source\runtime\slaterhirenderer\private\slaterhirenderer.cpp:935]
UE4Editor_SlateRHIRenderer!TGraphTask > >::ExecuteTask() [d:\build++ue4\sync\engine\source\runtime\core\public\async\taskgraphinterfaces.h:829]
UE4Editor_Core!FNamedTaskThread::ProcessTasksNamedThread() [d:\build++ue4\sync\engine\source\runtime\core\private\async\taskgraph.cpp:679]
UE4Editor_Core!FNamedTaskThread::ProcessTasksUntilQuit() [d:\build++ue4\sync\engine\source\runtime\core\private\async\taskgraph.cpp:575]
UE4Editor_RenderCore!RenderingThreadMain() [d:\build++ue4\sync\engine\source\runtime\rendercore\private\renderingthread.cpp:333]
UE4Editor_RenderCore!FRenderingThread::Run() [d:\build++ue4\sync\engine\source\runtime\rendercore\private\renderingthread.cpp:467]
UE4Editor_Core!FRunnableThreadWin::Run() [d:\build++ue4\sync\engine\source\runtime\core\private\windows\windowsrunnablethread.cpp:76]