Unreal 4.8 and 4.9 preview material editor crash

Hello, I have been using unreal for a while, and since using 4.8, I haven not been able to open material editor and use texture node specifically. I can use vectors, lerps and anything else like that. But as soon as I add a texture node, it crashes.

I have a GTX 760 4GB, Intel i5-4690k 3.5ghz, 16GB ram…

Hi Piplington,

Please copy information in Crash Reporter window when this crash occurs, including Machine ID, and paste it here (and be sure to hit Send!). Then and attach crash log from project’s Saved\Logs folder. It may also be helpful to see your full dxdiag. Thanks!

No crash report unfortunately. Just “Unreal Has Stopped Working”

thanks for reply! I hope this can be sorted.

link text

Hi Piplington -

Can you take a look at following wiki guide and post a copy of your Windows Event Viewer Logs?

Thank You

Eric Ketchum

Log Name: Application

Source: Application Error

Date: 25/08/2015 20:44:20

Event ID: 1000

Task Category: Application Crashing Events

Level: Error

Keywords: Classic

User: N/A

Computer: Piplington-PC


Faulting application name: UE4Editor.exe, version:, time stamp:

Faulting module name: igdusc64.dll, version:, time stamp: 0x5562f415

Exception code: 0xc0000005

Fault offset: 0x000000000017deff

Faulting process id: 0xf78

Faulting application start time: 0x01d0df6ddacc6021

Faulting application path: D:\Program Files\Epic


Faulting module path: C:\Windows\system32\igdusc64.dll

Report Id: acfdccd1-4b61-11e5-9397-74d435bb644e

Event Xml:

<Provider Name="Application Error" />
<EventID Qualifiers="0">1000</EventID>
<TimeCreated SystemTime="2015-08-25T19:44:20.000000000Z" />
<Security />

<Data>D:\Program Files\Epic Games\4.8\Engine\Binaries\Win64\UE4Editor.exe</Data>

Hi Piplington -

windows error that you are experiencing is being caused by an out of date Intel Integrated Graphics Driver ( igusc64.dll). With some of new additions to our Post Process and other improved Rendering pathways in 4.8, these older drivers are not able to handle newer information. So to fix that problem, you will need to download and install latest Intel Driver that can be found here:

Now you list that you have an Nvidia GTX 760, if you are running on a laptop then another problem exists as well. Your Nvidia Optimus program which handles switching for power saving purposes is not seeing Unreal as needing Nvidia card and defaults to using Intel card for power saving purposes. You will need to go into Optimus program and set UnrealEngine.exe to always use Maximum Performance and Nvidia card.

Thank you

Eric Ketchum

thank you! im on a Desktop PC though, not using a laptop, is there still a problem with software not using my graphics card?

It might be, can you include a copy of your DXDIAG?

link text
Im using a TV at my 2nd monitor. as I wanted another one, but only had enough money for PC and a monitor.

I see no mention of my Nvidia GTX 760 all drivers are up to date, but now that you mention it, I cant open Nvidia Control Panel. All drivers are up to date this time for sure. I can use Nvidia Geforce Experience.

Hi Piplington -

Ok so what I am seeing in DXDIAG is that your BenQ monitor is connected only to an Intel Integrated Graphics card (which needs to be updated per link above) and no mention of Nvidia Card. There appears to be a problem with your Nvidia Card, make sure that card is showing up in your Device Manager without any warnings or errors and that you monitor is plugged into that card.

In any event, downloading link above will keep Engine crashing Intel Card until you can debug Video Card itself.

Thank You

Eric Ketchum

I have updated driver, and unreal no longer crashes. Though I would obviously like to use my GTX 760. I will keep trying what you say, thanks for help so far!!