4.7.4 Crashed when trying to open a new project with the Open World Demo Collection assets and now 4.7.4 won’t open at all. I tried verifying the install and it completed, but still no luck.
Please help!
MachineId:49D29D264FFCA64E772F068EC205F2E3
EpicAccountId:d7768df3ff2646929131b74a0a6d304d
Unknown exception - code 00000001 (first/second chance not available)
Fatal error: [File:D:\BuildFarm\buildmachine_++depot+UE4-Releases+4.7\Engine\Source\Runtime\Core\Private\HAL\FileManagerGeneric.cpp] [Line: 617]
Invalid BufferCount=0 while reading C://Users//Seaver//AppData//Local//UnrealEngine//4.7//DerivedDataCache
KERNELBASE + 37901 bytes
UE4Editor_Core!FOutputDeviceWindowsError::Serialize() + 292 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\core\private\windows\windowsplatformoutputdevices.cpp:95]
UE4Editor_Core!FMsg::Logf__VA() + 463 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\core\private\misc\outputdevice.cpp:531]
UE4Editor_Core!FArchiveFileReaderGeneric::InternalPrecache() + 326 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\core\private\hal\filemanagergeneric.cpp:619]
UE4Editor_Core!FArchiveFileReaderGeneric::Serialize() + 144 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\core\private\hal\filemanagergeneric.cpp:656]
UE4Editor_DerivedDataCache!FMemoryDerivedDataBackend::LoadCache() + 1128 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\developer\deriveddatacache\private\memoryderiveddatabackend.h:269]
UE4Editor_DerivedDataCache!FDerivedDataBackendGraph::ParseBootCache() + 599 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\developer\deriveddatacache\private\deriveddatabackends.cpp:595]
UE4Editor_DerivedDataCache!FDerivedDataBackendGraph::ParseNode() + 623 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\developer\deriveddatacache\private\deriveddatabackends.cpp:144]
UE4Editor_DerivedDataCache!FDerivedDataBackendGraph::ParseHierarchicalCache() + 442 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\developer\deriveddatacache\private\deriveddatabackends.cpp:416]
UE4Editor_DerivedDataCache!FDerivedDataBackendGraph::ParseNode() + 947 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\developer\deriveddatacache\private\deriveddatabackends.cpp:160]
UE4Editor_DerivedDataCache!FDerivedDataBackendGraph::ParseAsyncPut() + 227 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\developer\deriveddatacache\private\deriveddatabackends.cpp:327]
UE4Editor_DerivedDataCache!FDerivedDataBackendGraph::ParseNode() + 1325 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\developer\deriveddatacache\private\deriveddatabackends.cpp:176]
UE4Editor_DerivedDataCache!FDerivedDataBackendGraph::ParseKeyLength() + 219 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\developer\deriveddatacache\private\deriveddatabackends.cpp:368]
UE4Editor_DerivedDataCache!FDerivedDataBackendGraph::ParseNode() + 1088 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\developer\deriveddatacache\private\deriveddatabackends.cpp:164]
UE4Editor_DerivedDataCache!FDerivedDataBackendGraph::FDerivedDataBackendGraph() + 1374 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\developer\deriveddatacache\private\deriveddatabackends.cpp:81]
UE4Editor_DerivedDataCache!FDerivedDataCache::FDerivedDataCache() + 139 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\developer\deriveddatacache\private\deriveddatacache.cpp:127]
UE4Editor_DerivedDataCache!FDerivedDataCacheWithRollups::FDerivedDataCacheWithRollups() + 28 bytes
UE4Editor_DerivedDataCache!InternalSingleton() + 216 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\developer\deriveddatacache\private\deriveddatacache.cpp:903]
UE4Editor_Core!GetDerivedDataCache() + 148 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\core\private\misc\coremisc.cpp:702]
UE4Editor_Core!GetDerivedDataCacheRef() + 11 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\core\private\misc\coremisc.cpp:711]
UE4Editor_Engine!GetGlobalShaderMap() + 1078 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\engine\private\globalshader.cpp:409]
UE4Editor!FEngineLoop::PreInit() + 8852 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\launch\private\launchengineloop.cpp:1291]
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]