I can’t get unreal engine to launch, every time I try it crashes. I can neither open nor create a new project. UE 4.10.0 was running normally. I regret to have installed the update.
MachineId:97C3A7E745C1065D64F70B95E6112BE4
EpicAccountId:4d5d2cd103b64076ba2abddee484fa80Unknown exception - code 00000001
(first/second chance not available)"Assertion failed:
TCString::Strlen(InName)<=NAME_SIZE
[File:D:\BuildFarm\buildmachine_++depot+UE4-Releases+4.10\Engine\Source\Runtime\Core\Private\UObject\UnrealNames.cpp]
[Line: 472] "UE4Editor_Core!FDebug::AssertFailed()
[d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\core\private\misc\outputdevice.cpp:374]
UE4Editor_Core!FName::InitInternal()
[d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\core\private\uobject\unrealnames.cpp:475]
UE4Editor_Core!FName::FName()
[d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\core\private\uobject\unrealnames.cpp:368]
UE4Editor_RenderCore!FindUniformBufferStructByName()
[d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\rendercore\private\rendercore.cpp:222]
UE4Editor_ShaderCore!FShader::SerializeBase()
[d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\shadercore\private\shader.cpp:864]
UE4Editor_Engine!TShaderMap::SerializeInline()
[d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\shadercore\public\shader.h:1160]
UE4Editor_Engine!FMaterialShaderMap::Serialize()
[d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\engine\private\materials\materialshader.cpp:1690]
UE4Editor_Engine!FMaterialShaderMap::LoadFromDerivedDataCache()
[d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\engine\private\materials\materialshader.cpp:782]
UE4Editor_Engine!FMaterial::CacheShaders()
[d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\engine\private\materials\materialshared.cpp:1339]
UE4Editor_Engine!FMaterial::CacheShaders()
[d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\engine\private\materials\materialshared.cpp:1291]
UE4Editor_Engine!UMaterial::CacheShadersForResources()
[d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\engine\private\materials\material.cpp:1902]
UE4Editor_Engine!UMaterial::CacheResourceShadersForRendering()
[d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\engine\private\materials\material.cpp:1820]
UE4Editor_Engine!UMaterial::PostLoad()
[d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\engine\private\materials\material.cpp:2448]
UE4Editor_CoreUObject!UObject::ConditionalPostLoad()
[d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\coreuobject\private\uobject\obj.cpp:723]
UE4Editor_CoreUObject!EndLoad()
[d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\coreuobject\private\uobject\uobjectglobals.cpp:1286]
UE4Editor_CoreUObject!LoadPackageInternal()
[d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\coreuobject\private\uobject\uobjectglobals.cpp:1042]
UE4Editor_CoreUObject!ResolveName()
[d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\coreuobject\private\uobject\uobjectglobals.cpp:681]
UE4Editor_CoreUObject!StaticLoadObjectInternal()
[d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\coreuobject\private\uobject\uobjectglobals.cpp:768]
UE4Editor_CoreUObject!StaticLoadObject()
[d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\coreuobject\private\uobject\uobjectglobals.cpp:832]
UE4Editor_Engine!LoadSpecialMaterial()
[d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\engine\private\unrealengine.cpp:1546]
UE4Editor_Engine!UEngine::InitializeObjectReferences()
[d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\engine\private\unrealengine.cpp:1593]
UE4Editor_UnrealEd!UEditorEngine::InitializeObjectReferences()
[d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\editor\unrealed\private\editorengine.cpp:541]
UE4Editor_Engine!UEngine::Init()
[d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\engine\private\unrealengine.cpp:782]
UE4Editor_UnrealEd!UEditorEngine::InitEditor()
[d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\editor\unrealed\private\editorengine.cpp:430]
UE4Editor_UnrealEd!UEditorEngine::Init()
[d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\editor\unrealed\private\editorengine.cpp:585]
UE4Editor_UnrealEd!UUnrealEdEngine::Init()
[d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\editor\unrealed\private\unrealedengine.cpp:50]
UE4Editor!FEngineLoop::Init()
[d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\launch\private\launchengineloop.cpp:2094]
UE4Editor_UnrealEd!EditorInit()
[d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\editor\unrealed\private\unrealed.cpp:63]
UE4Editor!GuardedMain()
[d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\launch\private\launch.cpp:133]
UE4Editor!GuardedMainWrapper()
[d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\launch\private\windows\launchwindows.cpp:126]
UE4Editor!WinMain()
[d:\buildfarm\buildmachine_++depot+ue4-releases+4.10\engine\source\runtime\launch\private\windows\launchwindows.cpp:200]
UE4Editor!__scrt_common_main_seh()
[f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl:264]
kernel32 ntdll
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EDIT: The solution is delete everything inside the folder LocalDisk:/Users/“YourName”/AppData/Local/UnrealEngine and reinstall Epic Games Launcher and Unreal Editor 4.10.1