D3D Device Lost 'HUNG' crash in FD3D11Viewport::PresentChecked

UE - Graphics Features - Oct 31, 2016

This is a new D3D crash affecting multiple users in 4.14 Preview 1. It is currently the #1 crash in the Preview. Information provided by users:Just pressed create project...Openning QA Game with - ...

Crash when opening a packaged code project for Win64 in shipping configuration

UE - Simulation - Physics - Aug 5, 2016

Code projects packaged for Win64 in shipping configuration are crashing on launch. This does Not happen for Blueprint projects This does Not happen when packaged in Development or DebugGame configu ...

Crash when editing FRuntimeFloatCurve's curve from sequencer's edit key window

UE - Anim - Sequencer - Mar 31, 2023

Crash when editing a FRuntimeFloatCurve curve exposed through EventTrack or a self-made Struct from the sequencer key edit window. FRuntimeFloatCurve does not support Expose to Cinematic, so this m ...

Crash when using both tessellation and virtual texture on a landscape material

UE - LD & Modeling - Terrain - Landscape - Feb 11, 2020

When a landscape is set up to use runtime virtual texturing. If it uses a material that writes to a runtime virtual texture and has tessellation enabled. Then we see a crash and the log reports: ...

Niagara crashes with skeletal mesh sampling in GPU system in Vulkan

UE - Niagara - Sep 17, 2019

Switching over to GPUCompute with Skeletal mesh surface sampling will crash in Vulkan. This does not occur with CPU sims or in D3D. When testing with D3D I would get the same Niagara compile warning ...

Crash opening Child/Grandchild Blueprint after updating to 4.18

UE - Gameplay - Blueprint - Nov 29, 2017

From this UDN: https://answers.unrealengine.com/questions/718928/4180-editor-crash-while-opening-child-blueprint.html Crash occurs when opening child (or in the repro case, grandchild) blueprints a ...

Crash when compiling for instrumentation after adding an exec pin to a collapsed graph

UE - Gameplay - Blueprint - Aug 15, 2016

Editor crashes when compiling for instrumentation after adding an exec pin to the collapsed graph. This only occurs if the exec pin was added through a drag and drop method. Adding the exec pin to ...

VR preview Crashes for the Oculus Rift on 4.8 preview 3

UE - Platform - XR - May 20, 2015

If the User starts up the VR preview mode with an Oculus rift plugged in the editor will crash. ...

Crash on Adding Elements to Array On Instance of Actor in the Level

Tools - May 25, 2018

When attempting to add an array element to an array that exists on a component contained within an actor that is instanced in the level, the editor will crash. This does not occur if an array elemen ...

[Quartz][Crash] - Subscribing to All Quantization Events and then playing a sound on all Quantization boundaries crashes the editor

UE - Audio - Quartz - Jun 3, 2021

Hit this when I made a blueprint and Subscribed to ALL quantization events instead of the one I was interested it and tried to use all of them as my Quantization Boundary. The alt title of this bug ...