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 the material editor and use the 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 the information in the Crash Reporter window when this crash occurs, including the Machine ID, and paste it here (and be sure to hit Send!). Then zip and attach the crash log from the 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 the reply! I hope this can be sorted.

link text

Hi Piplington -

Can you take a look at the 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 -

The windows error that you are experiencing is being caused by an out of date Intel Integrated Graphics Driver (the igusc64.dll). With some of the new additions to our Post Process and other improved Rendering pathways in 4.8, these older drivers are not able to handle the newer information. So to fix that problem, you will need to download and install the 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 the switching for power saving purposes is not seeing Unreal as needing the Nvidia card and defaults to using the Intel card for power saving purposes. You will need to go into the Optimus program and set UnrealEngine.exe to always use Maximum Performance and the Nvidia card.

Thank you

Eric Ketchum

thank you! im on a Desktop PC though, not using a laptop, is there still a problem with the 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 the PC and a monitor.

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

Hi Piplington -

Ok so what I am seeing in the 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 the Nvidia Card. There appears to be a problem with your Nvidia Card, make sure that the 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 the link above will keep the Engine crashing the Intel Card until you can debug the Video Card itself.

Thank You

Eric Ketchum

I have updated the 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 the help so far!!