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Material editor CRASH on UE 4.9 !!

Hello , I've problem with materials editor , When i open materials editor and create a simple texture or anything like that it just CRASH , I don't know whats the problem , And no bug report appears ?

My PC info :

CPU : 3.60 GHZ INTEL CORE-I7 4790






At least This bug occurred to me on UE 4.8 version .

Product Version: UE 4.9 Preview
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asked Aug 11 '15 at 09:23 PM in Bug Reports

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6 2 5

avatar image Lovecraft_K ♦♦ STAFF Aug 11 '15 at 09:26 PM

Hi Salhooog -

Can you please go into Windows Event Viewer and find the Error Record that corresponds to the time immediately before and after your crash (within 1 to 2 minutes) and post the logs here?

Thank You

Eric Ketchum

avatar image Salhooog Aug 11 '15 at 09:49 PM

First of all Thanks for Respond ^^ i did what you asked and i found nothings Even i tried to find anything at File log but no result !

avatar image Salhooog Aug 12 '15 at 01:46 PM

Any Answer !

avatar image Lovecraft_K ♦♦ STAFF Aug 12 '15 at 03:48 PM

Hi Salhooog -

If the Crash Reporter is not appearing when the engine closes and there is nothing in the Windows Event Viewer then your CPU is actually not crashing. Are you getting any popups at all when the Editor closes? Is it seemingly frozen and then you CTRL-ALT-DELETE to close the editor?

Can you also take a look again at the Windows Event Viewer, if Windows or any application running experiences any error they will appear in the viewer?


Also please attach your DXDIAG.

Thank You

Eric Ketchum

avatar image UDKAP Aug 12 '15 at 08:51 PM

Hello, have you had any problems with the material editor crashing in previous versions of the engine. I am still on 4.8 and my material editor does the same.

avatar image Salhooog Aug 13 '15 at 10:38 AM

Yes i had , and still on 4.9 Preview 3 !!

avatar image Salhooog Aug 13 '15 at 10:34 AM

Actually there is a Popups After crashing it says :

A problem caused the program to stop working correctly , Windows will close the program and notify a solution is available .

I found this inside DXDIAG.text :

Problem signature:

P1: UE4Editor.exe P2: P3: 55c47bd5 P4: igdusc64.dll P5: P6: 5338f946 P7: c0000005 P8: 000000000017c2f2 P9: P10:

link text

dxdiag.txt (78.2 kB)
avatar image Salhooog Aug 13 '15 at 06:28 PM

Up Up Up .

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Hi Salhooog -

Your DXDIAG indicates that you are running the Intel Integrated Graphics Card and not the Nvidia 970 you listed above. Can you try to run your DXDIAG again with the Engine Running and upload again? There is a known issue with Intel Integrated Graphics Cards on the exact Driver Version that is listed in your Problem Signature ( You can eliminate that issue with updating your Intel Graphics Driver via the following link:


If you have any Nvidia Optimus switching, I would also check that you are up to date on that software.

Thank You

Eric Ketchum

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answered Aug 13 '15 at 06:28 PM

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Lovecraft_K ♦♦ STAFF
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avatar image Salhooog Aug 13 '15 at 08:32 PM

Thank you Eric Ketchum , It has been resolved I downloaded the Graphics driver And it just fixed ^^ It Would be nice if you stick this thread to be a Basis for people Who has this problem ! Thank You Again .

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