Unreal engine crash on launch

Sorry, I haven’t been around for a while. I’ve updated to 4.3.1 and still getting the same problem.

!Id:43abdadfe55f888cc3d7284d079b3d43

Unknown exception - code 00000001 (first/second chance not available)

Assertion failed: ModuleManager.IsModuleLoaded(ModuleName) [File:D:\BuildFarm\buildmachine_++depot+UE4-Releases+4.3\Engine\Source\Runtime\Core\Public\Modules\ModuleManager.h] [Line: 260]
Tried to get module interface for unloaded module: 'MeshUti

KERNELBASE + 23544 bytes
UE4Editor_Core + 3009507 bytes
UE4Editor_Core + 1775850 bytes
UE4Editor_Core + 1703584 bytes
UE4Editor_Engine + 6120556 bytes
UE4Editor_Engine + 6121143 bytes
UE4Editor_Engine + 7938827 bytes
UE4Editor_Engine + 7824915 bytes
UE4Editor_Engine + 7832936 bytes
UE4Editor_Engine + 7834476 bytes
UE4Editor_Engine + 7973067 bytes
UE4Editor_CoreUObject + 1002234 bytes
UE4Editor_Engine + 14047551 bytes
UE4Editor_CoreUObject + 1002234 bytes
UE4Editor_CoreUObject + 1492886 bytes
UE4Editor_CoreUObject + 1529448 bytes
UE4Editor_CoreUObject + 1555919 bytes
UE4Editor_CoreUObject + 1575079 bytes
UE4Editor_UnrealEd + 1099782 bytes
UE4Editor_UnrealEd + 1121296 bytes
UE4Editor_UnrealEd + 1173143 bytes
UE4Editor_CoreUObject + 334562 bytes
UE4Editor_CoreUObject + 1581260 bytes
UE4Editor_CoreUObject + 1534338 bytes
UE4Editor!FEngineLoop::PreInit() + 10165 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.3\engine\source\runtime\launch\private\launchengineloop.cpp:1240]
UE4Editor!GuardedMain() + 236 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.3\engine\source\runtime\launch\private\launch.cpp:112]
UE4Editor!GuardedMainWrapper() + 26 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.3\engine\source\runtime\launch\private\windows\launchwindows.cpp:125]
UE4Editor!WinMain() + 249 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.3\engine\source\runtime\launch\private\windows\launchwindows.cpp:207]
UE4Editor!__tmainCRTStartup() + 329 bytes [f:\dd\vctools\crt\crtw32\dllstuff\crtexe.c:618]