# Blender 2.91.0, Commit date: 2020-11-25 08:34, Hash 0f45cab862b8

# backtrace
Exception Record:

ExceptionCode         : EXCEPTION_ACCESS_VIOLATION
Exception Address     : 0x0000000000000000
Exception Module      : 
Exception Flags       : 0x00000000
Exception Parameters  : 0x2
	Parameters[0] : 0x0000000000000008
	Parameters[1] : 0x0000000000000000


Stack trace:
blender.exe         :0x00007FF701F93C00  bli_windows_system_backtrace_stack_thread
blender.exe         :0x00007FF701F92E70  BLI_system_backtrace
blender.exe         :0x00007FF6FE09D950  windows_exception_handler
KERNELBASE.dll      :0x00007FFBC0B50F90  UnhandledExceptionFilter
ntdll.dll           :0x00007FFBC2F23600  memset
ntdll.dll           :0x00007FFBC2F0CC40  _C_specific_handler
ntdll.dll           :0x00007FFBC2F21730  _chkstk
ntdll.dll           :0x00007FFBC2EEA4F0  RtlRaiseException
ntdll.dll           :0x00007FFBC2F20490  KiUserExceptionDispatcher


Threads:
Thread : 00001da8
ntdll.dll           :0x00007FFBC2F20070  NtWaitForWorkViaWorkerFactory
ntdll.dll           :0x00007FFBC2EB38D0  RtlInitializeResource
KERNEL32.DLL        :0x00007FFBC1017C10  BaseThreadInitThunk
ntdll.dll           :0x00007FFBC2EED4B0  RtlUserThreadStart


Thread : 00000998
ntdll.dll           :0x00007FFBC2F20070  NtWaitForWorkViaWorkerFactory
ntdll.dll           :0x00007FFBC2EB38D0  RtlInitializeResource
KERNEL32.DLL        :0x00007FFBC1017C10  BaseThreadInitThunk
ntdll.dll           :0x00007FFBC2EED4B0  RtlUserThreadStart


Thread : 00002954
ntdll.dll           :0x00007FFBC2F20070  NtWaitForWorkViaWorkerFactory
ntdll.dll           :0x00007FFBC2EB38D0  RtlInitializeResource
KERNEL32.DLL        :0x00007FFBC1017C10  BaseThreadInitThunk
ntdll.dll           :0x00007FFBC2EED4B0  RtlUserThreadStart


Thread : 00001244
ntdll.dll           :0x00007FFBC2F1C760  NtWaitForSingleObject
KERNELBASE.dll      :0x00007FFBC0A91E00  WaitForSingleObjectEx
blender.exe         :0x00007FF701B1F8A0  IlmThread_2_4::Semaphore::wait
blender.exe         :0x00007FF701B1F070  IlmThread_2_4::ThreadPool::numThreads
blender.exe         :0x00007FF701B1FD20  std::_LaunchPad<std::unique_ptr<std::tuple<void (__cdecl IlmThread_2_4::Thread::*)(void) __ptr64,Il
blender.exe         :0x00007FF700D11FE0  std::_Pad::_Call_func
ucrtbase.dll        :0x00007FFBBFE20F70  beginthreadex
KERNEL32.DLL        :0x00007FFBC1017C10  BaseThreadInitThunk
ntdll.dll           :0x00007FFBC2EED4B0  RtlUserThreadStart


Thread : 00003878
ntdll.dll           :0x00007FFBC2F1C760  NtWaitForSingleObject
KERNELBASE.dll      :0x00007FFBC0A91E00  WaitForSingleObjectEx
blender.exe         :0x00007FF701B1F8A0  IlmThread_2_4::Semaphore::wait
blender.exe         :0x00007FF701B1F070  IlmThread_2_4::ThreadPool::numThreads
blender.exe         :0x00007FF701B1FD20  std::_LaunchPad<std::unique_ptr<std::tuple<void (__cdecl IlmThread_2_4::Thread::*)(void) __ptr64,Il
blender.exe         :0x00007FF700D11FE0  std::_Pad::_Call_func
ucrtbase.dll        :0x00007FFBBFE20F70  beginthreadex
KERNEL32.DLL        :0x00007FFBC1017C10  BaseThreadInitThunk
ntdll.dll           :0x00007FFBC2EED4B0  RtlUserThreadStart


Thread : 00003f04
ntdll.dll           :0x00007FFBC2F1C760  NtWaitForSingleObject
KERNELBASE.dll      :0x00007FFBC0A91E00  WaitForSingleObjectEx
blender.exe         :0x00007FF701B1F8A0  IlmThread_2_4::Semaphore::wait
blender.exe         :0x00007FF701B1F070  IlmThread_2_4::ThreadPool::numThreads
blender.exe         :0x00007FF701B1FD20  std::_LaunchPad<std::unique_ptr<std::tuple<void (__cdecl IlmThread_2_4::Thread::*)(void) __ptr64,Il
blender.exe         :0x00007FF700D11FE0  std::_Pad::_Call_func
ucrtbase.dll        :0x00007FFBBFE20F70  beginthreadex
KERNEL32.DLL        :0x00007FFBC1017C10  BaseThreadInitThunk
ntdll.dll           :0x00007FFBC2EED4B0  RtlUserThreadStart


Thread : 0000117c
ntdll.dll           :0x00007FFBC2F1C760  NtWaitForSingleObject
KERNELBASE.dll      :0x00007FFBC0A91E00  WaitForSingleObjectEx
blender.exe         :0x00007FF701B1F8A0  IlmThread_2_4::Semaphore::wait
blender.exe         :0x00007FF701B1F070  IlmThread_2_4::ThreadPool::numThreads
blender.exe         :0x00007FF701B1FD20  std::_LaunchPad<std::unique_ptr<std::tuple<void (__cdecl IlmThread_2_4::Thread::*)(void) __ptr64,Il
blender.exe         :0x00007FF700D11FE0  std::_Pad::_Call_func
ucrtbase.dll        :0x00007FFBBFE20F70  beginthreadex
KERNEL32.DLL        :0x00007FFBC1017C10  BaseThreadInitThunk
ntdll.dll           :0x00007FFBC2EED4B0  RtlUserThreadStart


Thread : 00003b44
ntdll.dll           :0x00007FFBC2F1C760  NtWaitForSingleObject
KERNELBASE.dll      :0x00007FFBC0A91E00  WaitForSingleObjectEx
blender.exe         :0x00007FF701B1F8A0  IlmThread_2_4::Semaphore::wait
blender.exe         :0x00007FF701B1F070  IlmThread_2_4::ThreadPool::numThreads
blender.exe         :0x00007FF701B1FD20  std::_LaunchPad<std::unique_ptr<std::tuple<void (__cdecl IlmThread_2_4::Thread::*)(void) __ptr64,Il
blender.exe         :0x00007FF700D11FE0  std::_Pad::_Call_func
ucrtbase.dll        :0x00007FFBBFE20F70  beginthreadex
KERNEL32.DLL        :0x00007FFBC1017C10  BaseThreadInitThunk
ntdll.dll           :0x00007FFBC2EED4B0  RtlUserThreadStart


Thread : 00003f84
ntdll.dll           :0x00007FFBC2F1C760  NtWaitForSingleObject
KERNELBASE.dll      :0x00007FFBC0A91E00  WaitForSingleObjectEx
blender.exe         :0x00007FF701B1F8A0  IlmThread_2_4::Semaphore::wait
blender.exe         :0x00007FF701B1F070  IlmThread_2_4::ThreadPool::numThreads
blender.exe         :0x00007FF701B1FD20  std::_LaunchPad<std::unique_ptr<std::tuple<void (__cdecl IlmThread_2_4::Thread::*)(void) __ptr64,Il
blender.exe         :0x00007FF700D11FE0  std::_Pad::_Call_func
ucrtbase.dll        :0x00007FFBBFE20F70  beginthreadex
KERNEL32.DLL        :0x00007FFBC1017C10  BaseThreadInitThunk
ntdll.dll           :0x00007FFBC2EED4B0  RtlUserThreadStart


Thread : 00003748
ntdll.dll           :0x00007FFBC2F1C760  NtWaitForSingleObject
KERNELBASE.dll      :0x00007FFBC0A91E00  WaitForSingleObjectEx
blender.exe         :0x00007FF701B1F8A0  IlmThread_2_4::Semaphore::wait
blender.exe         :0x00007FF701B1F070  IlmThread_2_4::ThreadPool::numThreads
blender.exe         :0x00007FF701B1FD20  std::_LaunchPad<std::unique_ptr<std::tuple<void (__cdecl IlmThread_2_4::Thread::*)(void) __ptr64,Il
blender.exe         :0x00007FF700D11FE0  std::_Pad::_Call_func
ucrtbase.dll        :0x00007FFBBFE20F70  beginthreadex
KERNEL32.DLL        :0x00007FFBC1017C10  BaseThreadInitThunk
ntdll.dll           :0x00007FFBC2EED4B0  RtlUserThreadStart


Thread : 0000188c
ntdll.dll           :0x00007FFBC2F1C760  NtWaitForSingleObject
KERNELBASE.dll      :0x00007FFBC0A91E00  WaitForSingleObjectEx
blender.exe         :0x00007FF701B1F8A0  IlmThread_2_4::Semaphore::wait
blender.exe         :0x00007FF701B1F070  IlmThread_2_4::ThreadPool::numThreads
blender.exe         :0x00007FF701B1FD20  std::_LaunchPad<std::unique_ptr<std::tuple<void (__cdecl IlmThread_2_4::Thread::*)(void) __ptr64,Il
blender.exe         :0x00007FF700D11FE0  std::_Pad::_Call_func
ucrtbase.dll        :0x00007FFBBFE20F70  beginthreadex
KERNEL32.DLL        :0x00007FFBC1017C10  BaseThreadInitThunk
ntdll.dll           :0x00007FFBC2EED4B0  RtlUserThreadStart


Thread : 00002968
ntdll.dll           :0x00007FFBC2F20010  NtWaitForAlertByThreadId
ntdll.dll           :0x00007FFBC2EE0AE0  RtlSleepConditionVariableSRW
KERNELBASE.dll      :0x00007FFBC0A7EC60  SleepConditionVariableSRW
MSVCP140.dll        :0x00007FFBA230BA70  _crtSetThreadpoolWait
MSVCP140.dll        :0x00007FFBA22E2650  std::_Winerror_message
MSVCP140.dll        :0x00007FFBA22E2650  std::_Winerror_message
OpenAL32.dll        :0x00007FFB5F125670  alcGetInteger64vSOFT
OpenAL32.dll        :0x00007FFB5F110080  alGetError
OpenAL32.dll        :0x00007FFB5F110080  alGetError
ucrtbase.dll        :0x00007FFBBFE20F70  beginthreadex
KERNEL32.DLL        :0x00007FFBC1017C10  BaseThreadInitThunk
ntdll.dll           :0x00007FFBC2EED4B0  RtlUserThreadStart


Thread : 00002ccc
ntdll.dll           :0x00007FFBC2F1C760  NtWaitForSingleObject
KERNELBASE.dll      :0x00007FFBC0A91E00  WaitForSingleObjectEx
OpenAL32.dll        :0x00007FFB5F125670  alcGetInteger64vSOFT
OpenAL32.dll        :0x00007FFB5F125670  alcGetInteger64vSOFT
OpenAL32.dll        :0x00007FFB5F110080  alGetError
ucrtbase.dll        :0x00007FFBBFE20F70  beginthreadex
KERNEL32.DLL        :0x00007FFBC1017C10  BaseThreadInitThunk
ntdll.dll           :0x00007FFBC2EED4B0  RtlUserThreadStart


Thread : 00001268
ntdll.dll           :0x00007FFBC2F1C760  NtWaitForSingleObject
KERNELBASE.dll      :0x00007FFBC0A91E00  WaitForSingleObjectEx
OpenAL32.dll        :0x00007FFB5F110080  alGetError
OpenAL32.dll        :0x00007FFB5F110080  alGetError
OpenAL32.dll        :0x00007FFB5F110080  alGetError
ucrtbase.dll        :0x00007FFBBFE20F70  beginthreadex
KERNEL32.DLL        :0x00007FFBC1017C10  BaseThreadInitThunk
ntdll.dll           :0x00007FFBC2EED4B0  RtlUserThreadStart


Thread : 0000153c
ntdll.dll           :0x00007FFBC2F1D230  NtWaitForMultipleObjects
KERNELBASE.dll      :0x00007FFBC0AA29E0  WaitForMultipleObjectsEx
combase.dll         :0x00007FFBC1CB6A40  CStdAsyncStubBuffer_Disconnect
combase.dll         :0x00007FFBC1CB6A40  CStdAsyncStubBuffer_Disconnect
combase.dll         :0x00007FFBC1CB6A40  CStdAsyncStubBuffer_Disconnect
combase.dll         :0x00007FFBC1CB6A40  CStdAsyncStubBuffer_Disconnect
KERNEL32.DLL        :0x00007FFBC1017C10  BaseThreadInitThunk
ntdll.dll           :0x00007FFBC2EED4B0  RtlUserThreadStart


Thread : 00004150
ntdll.dll           :0x00007FFBC2F20070  NtWaitForWorkViaWorkerFactory
ntdll.dll           :0x00007FFBC2EB38D0  RtlInitializeResource
KERNEL32.DLL        :0x00007FFBC1017C10  BaseThreadInitThunk
ntdll.dll           :0x00007FFBC2EED4B0  RtlUserThreadStart


Thread : 00001b3c
ntdll.dll           :0x00007FFBC2F20070  NtWaitForWorkViaWorkerFactory
ntdll.dll           :0x00007FFBC2EB38D0  RtlInitializeResource
KERNEL32.DLL        :0x00007FFBC1017C10  BaseThreadInitThunk
ntdll.dll           :0x00007FFBC2EED4B0  RtlUserThreadStart


Loaded Modules :
0x00007FF6FDF70000 2.9.1.0              blender.exe C:\Program Files\Blender Foundation\Blender 2.91\blender.pdb 
0x00007FFBC2E80000 10.0.18362.1171      ntdll.dll  
0x00007FFBC1000000 10.0.18362.1110      KERNEL32.DLL  
0x00007FFBC0A50000 10.0.18362.1139      KERNELBASE.dll  
0x00007FFBC2CA0000 10.0.18362.1171      USER32.dll  
0x00007FFBC0800000 10.0.18362.1198      win32u.dll  
0x00007FFBC10C0000 10.0.18362.1         GDI32.dll  
0x00007FFBC08B0000 10.0.18362.1139      gdi32full.dll  
0x00007FFBA41C0000 2019.9.0.0           tbb.dll  
0x00007FFBC0690000 10.0.18362.1110      msvcp_win.dll  
0x00007FFBBFE00000 10.0.18362.1110      ucrtbase.dll  
0x00007FFBC2240000 10.0.18362.1171      SHELL32.dll  
0x00007FFBC0830000 10.0.18362.387       cfgmgr32.dll  
0x00007FFBC11B0000 10.0.18362.1171      shcore.dll  
0x00007FFBC2060000 7.0.18362.1          msvcrt.dll  
0x00007FFBB96D0000 10.0.18362.1         SHFOLDER.dll  
0x00007FFBA22D0000 14.26.28720.3        MSVCP140.dll  
0x00007FFBB9620000 14.26.28720.3        VCRUNTIME140.dll  
0x00007FFBB96C0000 14.26.28720.3        VCRUNTIME140_1.dll  
0x00007FFBC1F40000 10.0.18362.1198      RPCRT4.dll  
0x00007FFBC1C00000 10.0.18362.1171      combase.dll  
0x00007FFBC0EB0000 10.0.18362.836       bcryptPrimitives.dll  
0x00007FFBBFF00000 10.0.18362.1171      windows.storage.dll  
0x00007FFBC1470000 10.0.18362.959       sechost.dll  
0x00007FFBC1570000 10.0.18362.752       advapi32.dll  
0x00007FFBBFD90000 10.0.18362.693       profapi.dll  
0x00007FFBBFD40000 10.0.18362.1         powrprof.dll  
0x00007FFBBFD30000                      UMPDC.dll  
0x00007FFBC2AE0000 10.0.18362.1         shlwapi.dll  
0x00007FFBBFDE0000 10.0.18362.1171      kernel.appcore.dll  
0x00007FFBC0730000 10.0.18362.1         cryptsp.dll  
0x00007FFBC2B40000 10.0.18362.387       WS2_32.dll  
0x00007FFB85140000 7.0.0.0              openvdb.dll  
0x00007FFB845E0000 3.7.7150.1013        python37.dll  
0x00007FFB96130000 10.0.18362.387       OPENGL32.dll  
0x00007FFBC1620000 10.0.18362.1082      ole32.dll  
0x00007FFBC10F0000 10.0.18362.1         PSAPI.DLL  
0x00007FFBC1180000 10.0.18362.387       IMM32.dll  
0x00007FFBB7E30000 58.8.100.0           avdevice-58.dll  
0x00007FFB7B6C0000 58.29.100.0          avformat-58.dll  
0x00007FFB82650000 56.31.100.0          avutil-56.dll  
0x00007FFBC1310000 10.0.18362.1110      OLEAUT32.dll  
0x00007FFB82780000 58.54.100.0          avcodec-58.dll  
0x00007FFBC0880000 10.0.18362.267       bcrypt.dll  
0x00007FFBA21A0000 5.5.100.0            swscale-5.dll  
0x0000000070440000 1.0.28.0             libsndfile-1.dll  
0x00007FFB5F100000 1.20.1.0             OpenAL32.dll  
0x00007FFB7D0D0000 2.0.12.0             SDL2.dll  
0x000000006ACC0000                      libgmp-10.dll  
0x00007FFBB9610000 2019.9.0.0           tbbmalloc_proxy.dll  
0x00007FFBC1790000 10.0.18362.1         SETUPAPI.dll  
0x00007FFBA1100000 6.10.18362.1198      COMCTL32.dll  
0x00007FFBA4140000 10.0.18362.1         AVIFIL32.dll  
0x00007FFBBE810000 10.0.18362.1         VERSION.dll  
0x00007FFBBB6F0000 10.0.18362.387       GLU32.dll  
0x00007FFBB7B20000 10.0.18362.1049      dbghelp.dll  
0x0000000070680000                      libfftw3-3.dll  
0x00007FFBA6010000 10.0.18362.1         Secur32.dll  
0x00007FFBA2500000 3.5.100.0            swresample-3.dll  
0x00007FFBA2270000 2019.9.0.0           tbbmalloc.dll  
0x00007FFBA3A80000 10.0.18362.1         AVICAP32.dll  
0x00007FFBA10D0000 10.0.18362.1         MSVFW32.dll  
0x00007FFB77000000 10.0.18362.1         MSACM32.dll  
0x00007FFBBE970000 10.0.18362.1         dxcore.dll  
0x00007FFBBD900000 10.0.18362.1         winmmbase.dll  
0x00007FFBBD930000 10.0.18362.1         WINMM.dll  
0x00007FFBBFC40000 10.0.18362.1049      SSPICLI.DLL  
0x00007FFBBDD00000 10.0.18362.449       uxtheme.dll  
0x00007FFB7C550000 2.5.3.0              DellInc.AlienwareSoundCenterDevProps2.dll  
0x00007FFB7C650000 2.1.18.62991         NahimicOSD.dll  
0x00007FFBBB100000 1.5.4.63981          ProductInfo.dll  
0x00007FFBC1260000 2001.12.10941.16384  clbcatq.dll  
0x00007FFBB9590000 10.0.18362.387       MMDevApi.dll  
0x00007FFBBFAE0000 10.0.18362.387       DEVOBJ.dll  
0x00007FFBB9A60000 10.0.18362.1110      AUDIOSES.DLL  
0x00007FFBBB9E0000 10.0.18362.1171      wintypes.dll  
0x00007FFBBE030000 10.0.18362.959       resourcepolicyclient.dll  
0x00007FFBC2100000 10.0.18362.1198      MSCTF.dll  
0x00007FFB93E50000 10.0.18362.836       dataexchange.dll  
0x00007FFBBCBE0000 10.0.18362.1171      d3d11.dll  
0x00007FFBBD2A0000 10.0.18362.1110      dcomp.dll  
0x00007FFBBEA00000 10.0.18362.1049      dxgi.dll  
0x00007FFBBDDC0000 10.0.18362.1171      twinapi.appcore.dll  
0x00007FFBBE1D0000 10.0.18362.267       RMCLIENT.dll  
0x00007FFB54F30000 26.20.100.8141       ig9icd64.dll  
0x00007FFBBE1A0000 10.0.18362.267       dwmapi.dll  

# Python backtrace