Okay so i reinstalled Epic Games Launcher, and two of my projects that worked right before the re-install, do not work and crash at 79% everytime. My other projects seem to be working fine plz help

Yesterday my Epic Games Launcher was not working. So i re-installed it, after re-installing Epic Games Launcher one of my projects is not loading and crashes at 79%. also i duplicated that project before the re-install, and that duplicated project crashes at 79% as well. Please help me fix this, these are my AI projects i have been working on for a while, i have trailer i want to complete that comes out in August! PLEASE

MachineId:9EB20B6D4CAAAAC295CB95973418A6C2
EpicAccountId:9feb9cfa4ffe482f96c5fe91d99eedc1

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

VCRUNTIME140
UE4Editor_Core!FGenericPlatformString::LogBogusChars() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\core\private\genericplatform\genericplatformstring.cpp:38]
UE4Editor_Core!operator<<() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\core\private\containers\string.cpp:1264]
UE4Editor_Engine!FMemoryArchive::operator<<() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\core\public\serialization\memoryarchive.h:39]
UE4Editor_ShaderCore!operator<<() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\shadercore\private\vertexfactory.cpp:155]
UE4Editor_Engine!FMaterialShaderMap::Serialize() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\engine\private\materials\materialshader.cpp:2135]
UE4Editor_Engine!FMaterialShaderMap::LoadFromDerivedDataCache() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\engine\private\materials\materialshader.cpp:887]
UE4Editor_Engine!FMaterial::CacheShaders() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\engine\private\materials\materialshared.cpp:1567]
UE4Editor_Engine!FMaterial::CacheShaders() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\engine\private\materials\materialshared.cpp:1518]
UE4Editor_Engine!UMaterial::CacheShadersForResources() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\engine\private\materials\material.cpp:2131]
UE4Editor_Engine!UMaterial::CacheResourceShadersForRendering() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\engine\private\materials\material.cpp:2049]
UE4Editor_Engine!UMaterial::PostLoad() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\engine\private\materials\material.cpp:2708]
UE4Editor_CoreUObject!UObject::ConditionalPostLoad() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\coreuobject\private\uobject\obj.cpp:832]
UE4Editor_CoreUObject!EndLoad() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\coreuobject\private\uobject\uobjectglobals.cpp:1590]
UE4Editor_CoreUObject!LoadPackageInternalInner() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\coreuobject\private\uobject\uobjectglobals.cpp:1281]
UE4Editor_CoreUObject!LoadPackage() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\coreuobject\private\uobject\uobjectglobals.cpp:1437]
UE4Editor_CoreUObject!ResolveName() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\coreuobject\private\uobject\uobjectglobals.cpp:722]
UE4Editor_CoreUObject!StaticLoadObjectInternal() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\coreuobject\private\uobject\uobjectglobals.cpp:809]
UE4Editor_CoreUObject!StaticLoadObject() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\coreuobject\private\uobject\uobjectglobals.cpp:869]
UE4Editor_Engine!LoadSpecialMaterial() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\engine\private\unrealengine.cpp:1405]
UE4Editor_Engine!UEngine::InitializeObjectReferences() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\engine\private\unrealengine.cpp:1466]
UE4Editor_UnrealEd!UEditorEngine::InitializeObjectReferences() [d:\build++ue4+release-4.14+compile\sync\engine\source\editor\unrealed\private\editorengine.cpp:614]
UE4Editor_Engine!UEngine::Init() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\engine\private\unrealengine.cpp:844]
UE4Editor_UnrealEd!UEditorEngine::InitEditor() [d:\build++ue4+release-4.14+compile\sync\engine\source\editor\unrealed\private\editorengine.cpp:499]
UE4Editor_UnrealEd!UEditorEngine::Init() [d:\build++ue4+release-4.14+compile\sync\engine\source\editor\unrealed\private\editorengine.cpp:668]
UE4Editor_UnrealEd!UUnrealEdEngine::Init() [d:\build++ue4+release-4.14+compile\sync\engine\source\editor\unrealed\private\unrealedengine.cpp:53]
UE4Editor!FEngineLoop::Init() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\launch\private\launchengineloop.cpp:2354]
UE4Editor_UnrealEd!EditorInit() [d:\build++ue4+release-4.14+compile\sync\engine\source\editor\unrealed\private\unrealed.cpp:66]
UE4Editor!GuardedMain() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\launch\private\launch.cpp:136]
UE4Editor!GuardedMainWrapper() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\launch\private\windows\launchwindows.cpp:126]
UE4Editor!WinMain() [d:\build++ue4+release-4.14+compile\sync\engine\source\runtime\launch\private\windows\launchwindows.cpp:202]
UE4Editor!__scrt_common_main_seh() [f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl:264]
kernel32
ntdll

Hello GEGE247,

I have a couple questions for you about your issue to help narrow down the issue you are experiencing.

  1. Have you deleted the AppData folder for engine version 4.14?
  2. Can you open other projects in engine version 4.14?
  3. Have you tried moving your startup map out of the folder and launching the project?

Thanks!

We have not heard back from you in a few days, so we are marking this post as Resolved for tracking purposes. If you are still experiencing the issue you reported, please respond to this message with additional information and we will follow up.