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4.7.4 crash on launch

Hi guys.

Every time I try to launch I get this crash:

MachineId:E4AD04FD489BE122116E34B87A1059E4 EpicAccountId:5f8cedc3c83a4ad5b4d714bb044a3287

Access violation - code c0000005 (first/second chance not available)

OVRDisplayRT64 + 22293 bytes UE4Editor_D3D11RHI!FD3D11Viewport::FD3D11Viewport() + 721 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\windows\d3d11rhi\private\windows\windowsd3d11viewport.cpp:61] UE4Editor_D3D11RHI!FD3D11DynamicRHI::RHICreateViewport() + 168 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\windows\d3d11rhi\private\d3d11viewport.cpp:461] UE4Editor_RHI!RHICreateViewport() + 140 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\rhi\public\rhimethods.h:1463] UE4Editor_SlateRHIRenderer!FSlateRHIRenderer::CreateViewport() + 477 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slaterhirenderer\private\slaterhirenderer.cpp:266] UE4Editor_SlateCore!SWindow::ShowWindow() + 215 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slatecore\private\widgets\swindow.cpp:1087] UE4Editor_Slate!FSlateApplication::SpawnToolTip() + 1105 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:2598] UE4Editor_Slate!FSlateApplication::UpdateToolTip() + 2881 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:2801] UE4Editor_Slate!FSlateApplication::ProcessMouseMoveEvent() + 100 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:4179] UE4Editor_Slate!FSlateApplication::OnMouseMove() + 580 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:4145] UE4Editor_Core!FWindowsApplication::ProcessDeferredMessage() + 2984 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\core\private\windows\windowsapplication.cpp:1420] UE4Editor_Core!FWindowsApplication::DeferMessage() + 318 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\core\private\windows\windowsapplication.cpp:1669] UE4Editor_Core!FWindowsApplication::ProcessMessage() + 4016 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\core\private\windows\windowsapplication.cpp:742] UE4Editor_Core!FWindowsApplication::AppWndProc() + 114 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\core\private\windows\windowsapplication.cpp:604] user32 + 105425 bytes user32 + 104666 bytes UE4Editor_Core!FWindowsPlatformMisc::PumpMessages() + 118 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\core\private\windows\windowsplatformmisc.cpp:774] UE4Editor!FEngineLoop::Tick() + 3737 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\launch\private\launchengineloop.cpp:2233] UE4Editor!GuardedMain() + 1404 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\launch\private\launch.cpp:142] UE4Editor!GuardedMainWrapper() + 26 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\launch\private\windows\launchwindows.cpp:126] UE4Editor!WinMain() + 249 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\launch\private\windows\launchwindows.cpp:202] UE4Editor!__tmainCRTStartup() + 329 bytes [f:\dd\vctools\crt\crtw32\dllstuff\crtexe.c:618]

I haven't been able to launch U4 on this computer so far. My specs are:

  • Win 7 Pro (JP)

  • Service Pack 1

  • Intel Xenon CPU e5-1620 v2 3.70GHz 3.70 GHz

  • RAM 16 GB

  • Oculus DK2 plugged in

Any help to this would be much appreciated.

Best, Micael

Product Version: Not Selected
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asked Apr 06 '15 at 02:56 AM in Installation & Setup

avatar image

PMNyberg
21 1 1

avatar image Rudy Q ♦♦ STAFF Apr 06 '15 at 02:44 PM

I have a few questions for you that will help narrow down what issue it is that you are experiencing.

Quick question:

  1. When you say that you have not been able to launch the engine on this computer, do you mean that you have been unable to launch any version of the engine?

  2. I see that you mentioned that you are using an oculus, does unplugging it or placing it in extended mode make a difference when trying to launch?

  3. Is your oculus runtime up to date?

  4. If so, are you using a laptop?

  5. Does this happen when trying to open a clean project?

avatar image Rudy Q ♦♦ STAFF Apr 10 '15 at 03:10 PM

Hello PMNyberg,

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 offer further assistance.

Thank you.

avatar image PMNyberg Apr 15 '15 at 07:54 AM

Hi again Rudy,

Yes, sorry about my delayed reply. Got lost in Unreal 4! So much awesome :)

Best, Micael

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1 answer: sort voted first

Hi Rudy, thanks for your answer.

It was the Oculus. I removed it and now everything works beautifully!

Thanks again. Micael

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answered Apr 15 '15 at 07:52 AM

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PMNyberg
21 1 1

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