First time using unreal and it keeps crashing when i try to make basic geometry edits?!

Fatal error: [File:D:\Build++UE4+Release-4.17+Compile\Sync\Engine\Source\Runtime\RenderCore\Private\RenderingThread.cpp] [Line: 811]
Rendering thread exception:
Fatal error: [File:D:\Build++UE4+Release-4.17+Compile\Sync\Engine\Source\Runtime\Windows\D3D11RHI\Private\D3D11Util.cpp] [Line: 182]
Unreal Engine is exiting due to D3D device being lost. (Error: 0x887A0020 - ‘INTERNAL_ERROR’)

KERNELBASE.dll!0x00000000F96C4008
UE4Editor-Core.dll!FOutputDeviceWindowsError::Serialize() [d:\build++ue4+release-4.17+compile\sync\engine\source\runtime\core\private\windows\windowsplatformoutputdevices.cpp:120]
UE4Editor-Core.dll!FOutputDevice::Logf__VA() [d:\build++ue4+release-4.17+compile\sync\engine\source\runtime\core\private\misc\outputdevice.cpp:70]
UE4Editor-Core.dll!FDebug::AssertFailed() [d:\build++ue4+release-4.17+compile\sync\engine\source\runtime\core\private\misc\assertionmacros.cpp:349]
UE4Editor-D3D11RHI.dll!TerminateOnDeviceRemoved() [d:\build++ue4+release-4.17+compile\sync\engine\source\runtime\windows\d3d11rhi\private\d3d11util.cpp:192]
UE4Editor-D3D11RHI.dll!VerifyD3D11Result() [d:\build++ue4+release-4.17+compile\sync\engine\source\runtime\windows\d3d11rhi\private\d3d11util.cpp:231]
UE4Editor-D3D11RHI.dll!FD3D11Viewport::PresentChecked() [d:\build++ue4+release-4.17+compile\sync\engine\source\runtime\windows\d3d11rhi\private\d3d11viewport.cpp:289]
UE4Editor-D3D11RHI.dll!FD3D11Viewport::Present() [d:\build++ue4+release-4.17+compile\sync\engine\source\runtime\windows\d3d11rhi\private\d3d11viewport.cpp:472]
UE4Editor-D3D11RHI.dll!FD3D11DynamicRHI::RHIEndDrawingViewport() [d:\build++ue4+release-4.17+compile\sync\engine\source\runtime\windows\d3d11rhi\private\d3d11viewport.cpp:591]
UE4Editor-RHI.dll!FRHICommandList::EndDrawingViewport() [d:\build++ue4+release-4.17+compile\sync\engine\source\runtime\rhi\private\rhicommandlist.cpp:1399]
UE4Editor-SlateRHIRenderer.dll!FSlateRHIRenderer::DrawWindow_RenderThread() [d:\build++ue4+release-4.17+compile\sync\engine\source\runtime\slaterhirenderer\private\slaterhirenderer.cpp:876]
UE4Editor-SlateRHIRenderer.dll!TGraphTask > >::ExecuteTask() [d:\build++ue4+release-4.17+compile\sync\engine\source\runtime\core\public\async\taskgraphinterfaces.h:784]
UE4Editor-Core.dll!FNamedTaskThread::ProcessTasksNamedThread() [d:\build++ue4+release-4.17+compile\sync\engine\source\runtime\core\private\async\taskgraph.cpp:650]
UE4Editor-Core.dll!FNamedTaskThread::ProcessTasksUntilQuit() [d:\build++ue4+release-4.17+compile\sync\engine\source\runtime\core\private\async\taskgraph.cpp:559]
UE4Editor-RenderCore.dll!RenderingThreadMain() [d:\build++ue4+release-4.17+compile\sync\engine\source\runtime\rendercore\private\renderingthread.cpp:325]
UE4Editor-RenderCore.dll!FRenderingThread::Run() [d:\build++ue4+release-4.17+compile\sync\engine\source\runtime\rendercore\private\renderingthread.cpp:459]
UE4Editor-Core.dll!FRunnableThreadWin::Run() [d:\build++ue4+release-4.17+compile\sync\engine\source\runtime\core\private\windows\windowsrunnablethread.cpp:76]
UE4Editor-Core.dll!FRunnableThreadWin::GuardedRun() [d:\build++ue4+release-4.17+compile\sync\engine\source\runtime\core\private\windows\windowsrunnablethread.cpp:33]
KERNEL32.DLL!0x00000000FC111FE4
ntdll.dll!0x00000000FC8CEFC1
ntdll.dll!0x00000000FC8CEFC1

Hello,

We’ve recently made a switch to a new bug reporting method using a more structured form. Please visit the link below for more details and report the issue using the new Bug Submission Form. Feel free to continue to use this thread for community discussion around the issue.

https://forums.unrealengine.com/unreal-engine/announcements-and-releases/1410408-unreal-engine-bug-submission-form

Thanks