Title: Need Help with Adding MetaHuman to Unreal Engine - EXCEPTION_ILLEGAL_INSTRUCTION Error
Hey everyone,
I’m encountering a frustrating issue when attempting to add MetaHuman to my Unreal Engine project, and I could really use some assistance in troubleshooting it.
The Problem: Whenever I try to add MetaHuman to my Unreal Engine project, The app crash and I encounter the following error:
Unhandled Exception: EXCEPTION_ILLEGAL_INSTRUCTION
UnrealEditor_MeshUtilities!ComputeNormals() [D:\build++UE5\Sync\Engine\Source\Developer\MeshUtilities\Private\MeshUtilities.cpp:1996]
UnrealEditor_MeshUtilities!FMeshUtilities::CalculateNormals() [D:\build++UE5\Sync\Engine\Source\Developer\MeshUtilities\Private\MeshUtilities.cpp:5768]
UnrealEditor_SkeletalMeshUtilitiesCommon!FAsyncTask::DoTaskWork() [D:\build++UE5\Sync\Engine\Source\Runtime\Core\Public\Async\AsyncWork.h:626]
UnrealEditor_SkeletalMeshUtilitiesCommon!FAsyncTaskBase::DoWork() [D:\build++UE5\Sync\Engine\Source\Runtime\Core\Public\Async\AsyncWork.h:289]
UnrealEditor_SkeletalMeshUtilitiesCommon!FAsyncTaskBase::DoThreadedWork() [D:\build++UE5\Sync\Engine\Source\Runtime\Core\Public\Async\AsyncWork.h:313]
UnrealEditor!LowLevelTasks::FTask::Init<FQueuedLowLevelThreadPool::AddQueuedWork’::2'::<lambda_1> >'::11’::<lambda_1>::operator()() [D:\build++UE5\Sync\Engine\Source\Runtime\Core\Public\Async\Fundamental\Task.h:499]
UnrealEditor!LowLevelTasks::TTaskDelegate<LowLevelTasks::FTask * __cdecl(bool),48>::TTaskDelegateImpl<LowLevelTasks::FTask::Init<FQueuedLowLevelThreadPool::AddQueuedWork’::2'::<lambda_1> >'::11’::<lambda_1>,0>::CallAndMove() [D:\build++UE5\Sync\Engine\Source\Runtime\Core\Public\Async\Fundamental\TaskDelegate.h:171]
UnrealEditor_Core!LowLevelTasks::FTask::ExecuteTask() [D:\build++UE5\Sync\Engine\Source\Runtime\Core\Public\Async\Fundamental\Task.h:627]
UnrealEditor_Core!LowLevelTasks::FScheduler::ExecuteTask() [D:\build++UE5\Sync\Engine\Source\Runtime\Core\Private\Async\Fundamental\Scheduler.cpp:172]
UnrealEditor_Core!LowLevelTasks::FScheduler::TryExecuteTaskFrom<LowLevelTasks::TLocalQueueRegistry<1024>::TLocalQueue,&LowLevelTasks::TLocalQueueRegistry<1024>::TLocalQueue::DequeueGlobal,0>() [D:\build++UE5\Sync\Engine\Source\Runtime\Core\Private\Async\Fundamental\Scheduler.cpp:350]
UnrealEditor_Core!LowLevelTasks::FScheduler::WorkerMain() [D:\build++UE5\Sync\Engine\Source\Runtime\Core\Private\Async\Fundamental\Scheduler.cpp:378]
UnrealEditor_Core!UE::Core::Private::Function::TFunctionRefCaller<LowLevelTasks::FScheduler::CreateWorker'::2’::<lambda_1>,void __cdecl(void)>::Call() [D:\build++UE5\Sync\Engine\Source\Runtime\Core\Public\Templates\Function.h:480]
UnrealEditor_Core!FThreadImpl::Run() [D:\build++UE5\Sync\Engine\Source\Runtime\Core\Private\HAL\Thread.cpp:69]
UnrealEditor_Core!FRunnableThreadWin::Run() [D:\build++UE5\Sync\Engine\Source\Runtime\Core\Private\Windows\WindowsRunnableThread.cpp:149]
My PC Specs:
- Windows 11
- CPU: 13th Gen Intel(R) Core™ i9-13900K @ 3.00 GHz
- GPU: GeForce RTX 4070 Ti
- RAM: 32.0 GB (31.8 GB usable)
I’ve tried several troubleshooting steps, including updating Unreal Engine and the MetaHuman plugin, verifying my project setup, and checking for conflicting plugins, but the issue persists.
If anyone has encountered a similar problem or has any insights into what might be causing this error, I would greatly appreciate your help. Please feel free to share any suggestions or solutions you may have.
Thank you in advance for your assistance!
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