Unable to open any project in UE 4.14 [Repeated Crashes Occurring]

Development Getting Started & Setup
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1

I have recently installed 4.14 as I wanted to upgrade my project from 4.13.turns out its pretty annoying as when ever i try to open stuff or try to move my mouse the project crashes.this was not the case in the predecessor .

I am getting is god awful error,this is using a simple example project created on a blank project template,its the same outcome no matter what:

MachineId:525F78E4432BB8B3E67D09B084440FA1
EpicAccountId:aa564a5933774e2ea5d3425d4431d29f

Fatal error: [File:D:\Build++UE4+Release-4.14+Compile\Sync\Engine\Source\Runtime\Windows\D3D11RHI\Private\D3D11Util.cpp] [Line: 227]
SwapChain->ResizeBuffers(1,SizeX,SizeY,GetRenderTargetFormat(PixelFormat),DXGI_SWAP_CHAIN_FLAG_ALLOW_MODE_SWITCH) failed
at D:\Build++UE4+Release-4.14+Compile\Sync\Engine\Source\Runtime\Windows\D3D11RHI\Private\D3D11Viewport.cpp:215
with error DXGI_ERROR_INVALID_CALL

UE4Editor_Core!FDebug::AssertFailed() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\core\private\misc\assertionmacros.cpp:332]
UE4Editor_D3D11RHI!VerifyD3D11Result() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\windows\d3d11rhi\private\d3d11util.cpp:227]
UE4Editor_D3D11RHI!FD3D11Viewport::Resize() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\windows\d3d11rhi\private\d3d11viewport.cpp:217]
UE4Editor_SlateRHIRenderer!FSlateRHIRenderer::ConditionalResizeViewport() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\slaterhirenderer\private\slaterhirenderer.cpp:329]
UE4Editor_SlateRHIRenderer!FSlateRHIRenderer::DrawWindows_Private() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\slaterhirenderer\private\slaterhirenderer.cpp:639]
UE4Editor_Slate!FSlateApplication::PrivateDrawWindows() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:1388]
UE4Editor_Slate!FSlateApplication::DrawWindows() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:1084]
UE4Editor_Slate!FSlateApplication::TickApplication() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:1689]
UE4Editor_Slate!FSlateApplication::Tick() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:1481]
UE4Editor!FEngineLoop::Tick() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\launch\private\launchengineloop.cpp:2894]
UE4Editor!GuardedMain() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\launch\private\launch.cpp:152]
UE4Editor!GuardedMainWrapper() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\launch\private\windows\launchwindows.cpp:126]
UE4Editor!WinMain() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\launch\private\windows\launchwindows.cpp:202]
UE4Editor!__scrt_common_main_seh() [f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl:264]
kernel32
ntdll

Going through that i dont understand why is is showing the location as a folder in D drive. My engine was installed on the C drive and my project was built on C Drive on the other hand my system doesnt even have D drive in the first place only C,E,F.
As per the system specs,it worked absolutely fine in the previous version so it shoudnt seem as a problem now.
here is my DxDiag File in case you want to refer to :
Dxdiag.txt

I have been simply opening and closing my project and clicking on the send and restart button for days tried to update my graphic drives and etc etc but no solution to this so far.Please help!!.

Crash_Pic

2

Hey Keval,

We have a JIRA open for this crash but haven’t been able to reproduce the crash on our end. Would you mind providing a detailed list of steps that leads to the crash every time. Preferably in a template/blank project.

,

Ed

3

Hello Ed,
Well as I have mentioned above,this crash occurs when ever I open any sort of project in 4.14,I have tired migrating my previous projects to 4.14 and still the same crash,tried opening up the stater templates i.e the first and tried person example projects still the same crash.I even uninstalled the engine grabbed the source from github still the same even used the forked 4.14 version of Nvedia’s VGXI compatible engine still the same.
The project opens up pretty good but as soon as i move my move and hover over any of the present buttons or the folders or any UI related stuff this happens also I even tried the ~ key and bringing up the console and as soon as i did that crash.
As you can see i’m having a pretty tough time with this issue.
All my visual c++ libraries are upto date so is my directx version.I still dont get it why is this error being displayed and crashing.
So in summary:
4.12 :All perfect
4.13 :All Perfect
4.14 :Cant open or do anything cause as soon as it happens it crashes.
4.15(Preview) :Not tried yet.

4

Please try 4.15, If you are still getting the crash try to run the engine with -d3ddebug and provide the logs after you get a crash.

The easiest way to enable this command is to create a shortcut to your UE4editor.exe file located at EpicGames>4.14>Engine>Binaries>Win64

Right click on the shortcut and add -d3ddebug to the end of the target path.

If you want to make sure it is running you can open the output log when you open your project and search for d3ddebug and it should say if it is running.

5

We have not heard back from you in a few days, so we are marking this post as Resolved for tracking purposes. If you are still experiencing the issue you reported, please respond to this message with additional information and we will follow up.

,

6

for the reply! I’m glad you have everything working now.

Good day,

7

Hello Ed,
Sorry it a lot of time to reply back. It actually took a while for me to experiment some stuff.I tried uninstalling and installing all the drivers,cleared temporary files ,cleared registry values,antivirus,uninstalling and installing different version of engines from 4.8 to 4.15 etc etc .But none seem to have worked except 4.13 .So therefore I came to conclusion to format the drive,because nuking the system always helps .And now everything works like a charm.I still don’t understand what is the problem but i’m glad its gone.
Cheers.

8

Okay just had this crash on only one project very weird… It disappear when I updated RenderDoc… So it could be third party app which cause this