I'm curious about how to fix the 0xc06d007e error.

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After packaging on Windows, I’m encountering the 0xc06d007e error. I’ve checked the logs, enabled the OptiX Denoise plugin, and tried other methods, but I can’t find a solution. Do you happen to know how to fix this?

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[2024.09.04-10.14.35:952][ 0]LogWindows: Error: === Critical error: ===
[2024.09.04-10.14.35:952][ 0]LogWindows: Error:
[2024.09.04-10.14.35:952][ 0]LogWindows: Error: Fatal error!
[2024.09.04-10.14.35:952][ 0]LogWindows: Error:
[2024.09.04-10.14.35:952][ 0]LogWindows: Error: Unhandled Exception: 0xc06d007e
[2024.09.04-10.14.35:952][ 0]LogWindows: Error:
[2024.09.04-10.14.35:952][ 0]LogWindows: Error: [Callstack] 0x00007ffd9e82b699 KERNELBASE.dll!UnknownFunction
[2024.09.04-10.14.35:952][ 0]LogWindows: Error: [Callstack] 0x00007ff75b82a6b4 Project_Modelhouse_1.exe!__delayLoadHelper2() [D:\a_work\1\s\src\vctools\delayimp\delayhlp.cpp:312]
[2024.09.04-10.14.35:952][ 0]LogWindows: Error: [Callstack] 0x00007ff75b666c8a Project_Modelhouse_1.exe!_tailMerge_optixdenoisebase_dll()
[2024.09.04-10.14.35:952][ 0]LogWindows: Error: [Callstack] 0x00007ff758ac1958 Project_Modelhouse_1.exe!FOptiXDenoiseModule::StartupModule()
[2024.09.04-10.14.35:952][ 0]LogWindows: Error: [Callstack] 0x00007ff74f8dd6cd Project_Modelhouse_1.exe!FModuleManager::LoadModuleWithFailureReason()
[2024.09.04-10.14.35:952][ 0]LogWindows: Error: [Callstack] 0x00007ff74fd1fb46 Project_Modelhouse_1.exe!FModuleDescriptor::LoadModulesForPhase()
[2024.09.04-10.14.35:952][ 0]LogWindows: Error: [Callstack] 0x00007ff74fd34b2f Project_Modelhouse_1.exe!FPluginManager::TryLoadModulesForPlugin()
[2024.09.04-10.14.35:952][ 0]LogWindows: Error: [Callstack] 0x00007ff74fd1f446 Project_Modelhouse_1.exe!FPluginManager::LoadModulesForEnabledPlugins()
[2024.09.04-10.14.35:952][ 0]LogWindows: Error: [Callstack] 0x00007ff756eb4b47 Project_Modelhouse_1.exe!FEngineLoop::LoadStartupModules()
[2024.09.04-10.14.35:952][ 0]LogWindows: Error: [Callstack] 0x00007ff756eb78a4 Project_Modelhouse_1.exe!FEngineLoop::PreInitPostStartupScreen()
[2024.09.04-10.14.35:952][ 0]LogWindows: Error: [Callstack] 0x00007ff756eb0c98 Project_Modelhouse_1.exe!GuardedMain()
[2024.09.04-10.14.35:952][ 0]LogWindows: Error: [Callstack] 0x00007ff756eb0f1a Project_Modelhouse_1.exe!GuardedMainWrapper()
[2024.09.04-10.14.35:952][ 0]LogWindows: Error: [Callstack] 0x00007ff756eb3ae5 Project_Modelhouse_1.exe!LaunchWindowsStartup()
[2024.09.04-10.14.35:952][ 0]LogWindows: Error: [Callstack] 0x00007ff756ec3dc4 Project_Modelhouse_1.exe!WinMain()
[2024.09.04-10.14.35:952][ 0]LogWindows: Error: [Callstack] 0x00007ff75b82e80a Project_Modelhouse_1.exe!__scrt_common_main_seh() [D:\a_work\1\s\src\vctools\crt\vcstartup\src\startup\exe_common.inl:288]
[2024.09.04-10.14.35:952][ 0]LogWindows: Error: [Callstack] 0x00007ffd9f077374 KERNEL32.DLL!UnknownFunction
[2024.09.04-10.14.35:952][ 0]LogWindows: Error:
[2024.09.04-10.14.35:963][ 0]LogExit: Executing StaticShutdownAfterError
[2024.09.04-10.14.35:964][ 0]LogWindows: FPlatformMisc::RequestExit(1, LaunchWindowsStartup.ExceptionHandler)
[2024.09.04-10.14.35:964][ 0]LogWindows: FPlatformMisc::RequestExitWithStatus(1, 3, LaunchWindowsStartup.ExceptionHandler)
[2024.09.04-10.14.35:964][ 0]LogCore: Engine exit requested (reason: Win RequestExit)

1 Like
2

any answer?

3

Hello there @kam5251!

Investigating through the community, error 0xc06d007e is usually tied to Windows, either right conflicts, or access to missing/corrupted DLL files. Your log does contain calls to plugin “OptiX Denoise”, specifically optixdenoisebase_dll.

In order to fix the problem, there are some options to test:

  • First and foremost, please make sure your GPU drivers and Runtime Redistributables are up to date

  • Confirm the plugin is actually present in your system, via going to Engine/Plugins/Marketplace/OptiXDenoise/Binaries/Win64/ and checking for files like optix.7.dll. If absent, please get the latest version from NVIDIA OptiX™ Ray Tracing Engine | NVIDIA Developer

  • Perform a clear cache, via deleting folders Intermediate and Saved folders from project

  • Remove and re-add the OptiX Denoise plugin from Engine. In case it’s not needed for the pack step, leave it disabled

  • After completing all steps, try to re-pack, with UE open using admin rights, and temporary pausing any antivirus active in your system