Can't launch ue 4.7.1 and 4.7.2

Development Platform & Builds
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1

Access violation - code c0000005 (first/second chance not available)

UE4Editor_ShaderCore!TSparseArray >,TSparseArrayAllocator >::AddUninitialized() + 18 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\core\public\containers\sparsearray.h:84]
UE4Editor_ShaderCore!TSet,TDefaultMapKeyFuncs,FDefaultSetAllocator>::Emplace >() + 57 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\core\public\containers\set.h:404]
UE4Editor_ShaderCore!FShader::Register() + 437 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\shadercore\private\shader.cpp:903]
UE4Editor_Engine!TShaderMap::SerializeInline() + 1812 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\shadercore\public\shader.h:1083]
UE4Editor_Engine!FMaterialShaderMap::Serialize() + 1590 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\engine\private\materials\materialshader.cpp:1688]
UE4Editor_Engine!FMaterialShaderMap::LoadFromDerivedDataCache() + 378 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\engine\private\materials\materialshader.cpp:780]
UE4Editor_Engine!FMaterial::CacheShaders() + 244 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\engine\private\materials\materialshared.cpp:1275]
UE4Editor_Engine!FMaterial::CacheShaders() + 102 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\engine\private\materials\materialshared.cpp:1227]
UE4Editor_Engine!UMaterial::CacheShadersForResources() + 261 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\engine\private\materials\material.cpp:1520]
UE4Editor_Engine!UMaterial::CacheResourceShadersForRendering() + 443 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\engine\private\materials\material.cpp:1443]
UE4Editor_Engine!UMaterial::PostLoad() + 2842 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\engine\private\materials\material.cpp:2029]
UE4Editor_CoreUObject!UObject::ConditionalPostLoad() + 455 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\obj.cpp:628]
UE4Editor_Engine!UMaterialInterface::PostLoadDefaultMaterials() + 210 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\engine\private\materials\material.cpp:377]
UE4Editor_Engine!UMaterial::PostLoad() + 57 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\engine\private\materials\material.cpp:1885]
UE4Editor_CoreUObject!UObject::ConditionalPostLoad() + 455 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\obj.cpp:628]
UE4Editor_CoreUObject!EndLoad() + 1724 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\uobjectglobals.cpp:1121]
UE4Editor_CoreUObject!LoadPackageInternal() + 2274 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\uobjectglobals.cpp:904]
UE4Editor_CoreUObject!ResolveName() + 1483 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\uobjectglobals.cpp:610]
UE4Editor_CoreUObject!StaticLoadObject() + 655 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\uobjectglobals.cpp:697]
UE4Editor_Landscape!ConstructorHelpersInternal::FindOrLoadObject() + 611 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\public\uobject\constructorhelpers.h:33]
UE4Editor_Landscape!ConstructorHelpers::FObjectFinder::FObjectFinder() + 134 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\public\uobject\constructorhelpers.h:91]
UE4Editor_Landscape!ALandscapeGizmoActiveActor::ALandscapeGizmoActiveActor() + 291 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\landscape\private\landscapegizmoactor.cpp:476]
UE4Editor_CoreUObject!UClass::CreateDefaultObject() + 435 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\class.cpp:2506]
UE4Editor_CoreUObject!UObjectLoadAllCompiledInDefaultProperties() + 805 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\uobjectbase.cpp:739]
UE4Editor_CoreUObject!ProcessNewlyLoadedUObjects() + 146 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\coreuobject\private\uobject\uobjectbase.cpp:815]
UE4Editor!FEngineLoop::PreInit() + 9281 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\launch\private\launchengineloop.cpp:1308]
UE4Editor!GuardedMain() + 251 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\launch\private\launch.cpp:110]
UE4Editor!GuardedMainWrapper() + 26 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\launch\private\windows\launchwindows.cpp:126]
UE4Editor!WinMain() + 249 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\launch\private\windows\launchwindows.cpp:202]
UE4Editor!__tmainCRTStartup() + 329 bytes [f:\dd\vctools\crt\crtw32\dllstuff\crtexe.c:618]

2

Hi Hannur,

To determine if it is the Launcher or the editor, could you try opening the editor directly?

Your file path may differ but try opening the ‘UE4Editor.exe’ in this folder:

C:\Program Files\Unreal Engine\4.7\Engine\Binaries\Win64

3

Thanks for answering.I tried,same problem.

4

Okay, could you post your dxdiag (system specs), Log, and Dmp files? Also, make sure that you submit the crash report when it prompts you (if you haven’t been doing that already).

Here is a link to help you find the files.

5

Could you make sure your graphics card driver is up to date? Also, be sure to not download the beta driver, they can sometimes be unstable.

6

i updated it

7

I’m sorry Hannur. Did that fix the issue or is it still happening?

8

it is still happening

9

Hi Hannur,

I’m sorry that you are having this issue. I have created JIRA UE-11434 in our tracking software and our developers will be investigating it further. We will post back here as soon as we can with an update.

Thanks,

TJ

10

I updated to 4.7.3 but it still happening

11

Hi Hannur,

Thanks for the update! The JIRA report is still being investigated but I will update it so that the devs know it’s still happening in 4.7.3.

Cheers,

TJ

12

Hi Hannur, after a careful look at the code, we can’t seem to find the exact cause (specially as we can’t repro in-house); however I do a workaround for you:

Try changing in the file Engine/Shaders/ShaderVersion.usf, the guid that’s there (just change any number or add more characters). This will force recompiling all shaders.

We’ll be adding more error checking so this doesn’t become a blocker for 4.8.

13

One more thing to note: is this content you created on an earlier engine version? If so, did you have a plugin or something extra added (not included with the default installation)?

14

Thank you very much!changing Engine/Shaders/ShaderVersion.usf works!