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Unreal Engine crashes when opening context menu

Since last week, while I was still working on UE 4.17, my Unreal Engine started to crash.

I open my project normally, and like 5 minutes or less after I start working, if I open a context menu it crashes. Then if I open a project again it will crash on the first context menu I open. After that everytime I initialize the Unreal Engine it will crash instantly, and if I try to open a project directly it will freeze as soon as it starts. And it keeps like that until I restart my PC, then it starts all over again.

I will leave an Unreal Engine crash log and a Windows crash log here so you can help me.

Unreal Engine crash log:

 > LoginId:f2c08b8f4bb3e64d37e0778c402eaccd
 > EpicAccountId:f59b96fc328042bdb9fffba4de7e9b22
 > 
 > Assertion failed: (Index >= 0) &
 > (Index < ArrayNum)
 > [File:D:\Build\++UE4+Release-4.18+Compile\Sync\Engine\Source\Runtime\Core\Public\Containers/Array.h]
 > [Line: 610] Array index out of bounds:
 > 0 from an array of size 0
 > 
 > UE4Editor_Core!FDebug::AssertFailed()
 > [d:\build\++ue4+release-4.18+compile\sync\engine\source\runtime\core\private\misc\assertionmacros.cpp:414]
 > UE4Editor_SlateCore!SWidget::ExecuteActiveTimers()
 > [d:\build\++ue4+release-4.18+compile\sync\engine\source\runtime\slatecore\private\widgets\swidget.cpp:1000]
 > UE4Editor_SlateCore!SWidget::Paint()
 > [d:\build\++ue4+release-4.18+compile\sync\engine\source\runtime\slatecore\private\widgets\swidget.cpp:869]
 > UE4Editor_SlateCore!SOverlay::OnPaint()
 > [d:\build\++ue4+release-4.18+compile\sync\engine\source\runtime\slatecore\private\widgets\soverlay.cpp:97]
 > UE4Editor_SlateCore!SWidget::Paint()
 > [d:\build\++ue4+release-4.18+compile\sync\engine\source\runtime\slatecore\private\widgets\swidget.cpp:899]
 > UE4Editor_SlateCore!SPanel::PaintArrangedChildren()
 > [d:\build\++ue4+release-4.18+compile\sync\engine\source\runtime\slatecore\private\widgets\spanel.cpp:31]
 > UE4Editor_SlateCore!SPanel::OnPaint()
 > [d:\build\++ue4+release-4.18+compile\sync\engine\source\runtime\slatecore\private\widgets\spanel.cpp:12]
 > UE4Editor_SlateCore!SWidget::Paint()
 > [d:\build\++ue4+release-4.18+compile\sync\engine\source\runtime\slatecore\private\widgets\swidget.cpp:899]
 > UE4Editor_SlateCore!SPanel::PaintArrangedChildren()
 > [d:\build\++ue4+release-4.18+compile\sync\engine\source\runtime\slatecore\private\widgets\spanel.cpp:31]
 > UE4Editor_SlateCore!SPanel::OnPaint()
 > [d:\build\++ue4+release-4.18+compile\sync\engine\source\runtime\slatecore\private\widgets\spanel.cpp:12]
 > UE4Editor_SlateCore!SWidget::Paint()
 > [d:\build\++ue4+release-4.18+compile\sync\engine\source\runtime\slatecore\private\widgets\swidget.cpp:899]
 > UE4Editor_SlateCore!SPanel::PaintArrangedChildren()
 > [d:\build\++ue4+release-4.18+compile\sync\engine\source\runtime\slatecore\private\widgets\spanel.cpp:31]
 > UE4Editor_SlateCore!SPanel::OnPaint()
 > [d:\build\++ue4+release-4.18+compile\sync\engine\source\runtime\slatecore\private\widgets\spanel.cpp:12]
 > UE4Editor_SlateCore!SWidget::Paint()
 > [d:\build\++ue4+release-4.18+compile\sync\engine\source\runtime\slatecore\private\widgets\swidget.cpp:899]
 > UE4Editor_SlateCore!SOverlay::OnPaint()
 > [d:\build\++ue4+release-4.18+compile\sync\engine\source\runtime\slatecore\private\widgets\soverlay.cpp:97]
 > UE4Editor_SlateCore!SWidget::Paint()
 > [d:\build\++ue4+release-4.18+compile\sync\engine\source\runtime\slatecore\private\widgets\swidget.cpp:899]
 > UE4Editor_SlateCore!SPanel::PaintArrangedChildren()
 > [d:\build\++ue4+release-4.18+compile\sync\engine\source\runtime\slatecore\private\widgets\spanel.cpp:31]
 > UE4Editor_SlateCore!SPanel::OnPaint()
 > [d:\build\++ue4+release-4.18+compile\sync\engine\source\runtime\slatecore\private\widgets\spanel.cpp:12]
 > UE4Editor_SlateCore!SWidget::Paint()
 > [d:\build\++ue4+release-4.18+compile\sync\engine\source\runtime\slatecore\private\widgets\swidget.cpp:899]
 > UE4Editor_SlateCore!SCompoundWidget::OnPaint()
 > [d:\build\++ue4+release-4.18+compile\sync\engine\source\runtime\slatecore\private\widgets\scompoundwidget.cpp:35]
 > UE4Editor_Slate!SScrollBox::OnPaint()
 > [d:\build\++ue4+release-4.18+compile\sync\engine\source\runtime\slate\private\widgets\layout\sscrollbox.cpp:985]
 > UE4Editor_SlateCore!SWidget::Paint()
 > [d:\build\++ue4+release-4.18+compile\sync\engine\source\runtime\slatecore\private\widgets\swidget.cpp:899]
 > UE4Editor_SlateCore!SCompoundWidget::OnPaint()
 > [d:\build\++ue4+release-4.18+compile\sync\engine\source\runtime\slatecore\private\widgets\scompoundwidget.cpp:35]
 > UE4Editor_Slate!SBorder::OnPaint()
 > [d:\build\++ue4+release-4.18+compile\sync\engine\source\runtime\slate\private\widgets\layout\sborder.cpp:85]
 > UE4Editor_SlateCore!SWidget::Paint()
 > [d:\build\++ue4+release-4.18+compile\sync\engine\source\runtime\slatecore\private\widgets\swidget.cpp:899]
 > UE4Editor_SlateCore!SCompoundWidget::OnPaint()
 > [d:\build\++ue4+release-4.18+compile\sync\engine\source\runtime\slatecore\private\widgets\scompoundwidget.cpp:35]
 > UE4Editor_SlateCore!SWidget::Paint()
 > [d:\build\++ue4+release-4.18+compile\sync\engine\source\runtime\slatecore\private\widgets\swidget.cpp:899]
 > UE4Editor_SlateCore!FSlateWindowElementList::FDeferredPaint::ExecutePaint()
 > [d:\build\++ue4+release-4.18+compile\sync\engine\source\runtime\slatecore\private\rendering\drawelements.cpp:830]
 > UE4Editor_SlateCore!FSlateWindowElementList::PaintDeferred()
 > [d:\build\++ue4+release-4.18+compile\sync\engine\source\runtime\slatecore\private\rendering\drawelements.cpp:855]
 > UE4Editor_SlateCore!SWidget::Paint()
 > [d:\build\++ue4+release-4.18+compile\sync\engine\source\runtime\slatecore\private\widgets\swidget.cpp:958]
 > UE4Editor_Slate!FSlateApplication::DrawWindowAndChildren()
 > [d:\build\++ue4+release-4.18+compile\sync\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:1233]
 > UE4Editor_Slate!FSlateApplication::DrawWindowAndChildren()
 > [d:\build\++ue4+release-4.18+compile\sync\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:1322]
 > UE4Editor_Slate!FSlateApplication::PrivateDrawWindows()
 > [d:\build\++ue4+release-4.18+compile\sync\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:1473]
 > UE4Editor_Slate!FSlateApplication::DrawWindows()
 > [d:\build\++ue4+release-4.18+compile\sync\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:1190]
 > UE4Editor_Slate!FSlateApplication::TickApplication()
 > [d:\build\++ue4+release-4.18+compile\sync\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:1777]
 > UE4Editor_Slate!FSlateApplication::Tick()
 > [d:\build\++ue4+release-4.18+compile\sync\engine\source\runtime\slate\private\framework\application\slateapplication.cpp:1595]
 > UE4Editor!FEngineLoop::Tick()
 > [d:\build\++ue4+release-4.18+compile\sync\engine\source\runtime\launch\private\launchengineloop.cpp:3378]
 > UE4Editor!GuardedMain()
 > [d:\build\++ue4+release-4.18+compile\sync\engine\source\runtime\launch\private\launch.cpp:166]
 > UE4Editor!GuardedMainWrapper()
 > [d:\build\++ue4+release-4.18+compile\sync\engine\source\runtime\launch\private\windows\launchwindows.cpp:134]
 > UE4Editor!WinMain()
 > [d:\build\++ue4+release-4.18+compile\sync\engine\source\runtime\launch\private\windows\launchwindows.cpp:210]
 > UE4Editor!__scrt_common_main_seh()
 > [f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl:253]
 > kernel32 ntdll

Windows crash log:

 > Assinatura do problema:   Nome do
 > Evento de Problema:    APPCRASH   Nome do
 > Aplicativo:    UE4Editor.exe   Versão do
 > Aplicativo:    4.18.1.0   Carimbo de
 > Data/Hora do Aplicativo:    5a0a9877  
 > Nome do Módulo de
 > Falhas:    UE4Editor-Slate.dll   Versão
 > do Módulo de Falhas:    4.18.1.0  
 > Carimbo de Data/Hora do Módulo de
 > Falhas:    5a0a988e   Código de
 > Exceção:    c00000fd   Deslocamento de
 > Exceção:    00000000000c2eca   Versão do
 > sistema
 > operacional:    6.1.7601.2.1.0.256.48  
 > Identificação da Localidade:    1046  
 > Informações Adicionais 1:    555f  
 > Informações Adicionais
 > 2:    555f9974e36d39b6c9769b4db043a3e5  
 > Informações Adicionais 3:    01d6  
 > Informações Adicionais
 > 4:    01d645c6c6dca8e170a38088a28eaa8d
 > 
 > Leia nossa declaração de privacidade
 > online:  
 > http://go.microsoft.com/fwlink/?linkid=104288&clcid=0x0416
 > 
 > Se a declaração de privacidade online
 > não estiver disponível, leia nossa
 > declaração de privacidade offline:  
 > C:\Windows\system32\pt-BR\erofflps.txt

EDIT 1: It takes longer to crash if Google Chrome is closed.

EDIT 2: Computer Specifications:

Processor: Intel(R) Core(TM) i7-7700K CPU @ 4.20GHz

Video Card: NVIDIA GeForce GTX 1060 6GB

RAM: 16 GB

Operating System: Microsoft Windows 7 Professional Edition Service Pack 1 (build 7601), 64-bit

Product Version: UE 4.18
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asked Dec 05 '17 at 09:13 PM in Bug Reports

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Joao Hanson
1 1 1

avatar image Night447 Dec 06 '17 at 07:14 PM

Same happens to me. But only when I have iexplore, crhome or mozilla open. I need restart to use UE4 again.

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1 answer: sort voted first

Same happens to me. But only when I have iexplore, crhome or mozilla open.

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answered Dec 06 '17 at 07:13 PM

avatar image

Night447
1 1

avatar image Joao Hanson Dec 06 '17 at 11:00 PM

Now that you've pointed it I noticed that here it only happens when chrome is open too. But I really need it to be open so I can keep track of the tutorials, the classes and so on.

avatar image Joao Hanson 6 days ago

After working on my project for about half an hour without any of these programs open, it crashed anyway, just took longer.

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