# 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         :0x00007FF6B82B3C00  bli_windows_system_backtrace_stack_thread
blender.exe         :0x00007FF6B82B2E70  BLI_system_backtrace
blender.exe         :0x00007FF6B43BD950  windows_exception_handler
KERNELBASE.dll      :0x00007FFCE23E0F90  UnhandledExceptionFilter
ntdll.dll           :0x00007FFCE52A3600  memset
ntdll.dll           :0x00007FFCE528CC40  _C_specific_handler
ntdll.dll           :0x00007FFCE52A1730  _chkstk
ntdll.dll           :0x00007FFCE526A4F0  RtlRaiseException
ntdll.dll           :0x00007FFCE52A0490  KiUserExceptionDispatcher


Threads:
Thread : 00001560
ntdll.dll           :0x00007FFCE52A0070  NtWaitForWorkViaWorkerFactory
ntdll.dll           :0x00007FFCE52338D0  RtlInitializeResource
KERNEL32.DLL        :0x00007FFCE49B7C10  BaseThreadInitThunk
ntdll.dll           :0x00007FFCE526D4B0  RtlUserThreadStart


Thread : 00001fb8
ntdll.dll           :0x00007FFCE52A0070  NtWaitForWorkViaWorkerFactory
ntdll.dll           :0x00007FFCE52338D0  RtlInitializeResource
KERNEL32.DLL        :0x00007FFCE49B7C10  BaseThreadInitThunk
ntdll.dll           :0x00007FFCE526D4B0  RtlUserThreadStart


Thread : 000018a4
ntdll.dll           :0x00007FFCE52A0070  NtWaitForWorkViaWorkerFactory
ntdll.dll           :0x00007FFCE52338D0  RtlInitializeResource
KERNEL32.DLL        :0x00007FFCE49B7C10  BaseThreadInitThunk
ntdll.dll           :0x00007FFCE526D4B0  RtlUserThreadStart


Thread : 0000159c
ntdll.dll           :0x00007FFCE529C760  NtWaitForSingleObject
KERNELBASE.dll      :0x00007FFCE2321E00  WaitForSingleObjectEx
blender.exe         :0x00007FF6B7E3F8A0  IlmThread_2_4::Semaphore::wait
blender.exe         :0x00007FF6B7E3F070  IlmThread_2_4::ThreadPool::numThreads
blender.exe         :0x00007FF6B7E3FD20  std::_LaunchPad<std::unique_ptr<std::tuple<void (__cdecl IlmThread_2_4::Thread::*)(void) __ptr64,Il
blender.exe         :0x00007FF6B7031FE0  std::_Pad::_Call_func
ucrtbase.dll        :0x00007FFCE2200F70  beginthreadex
KERNEL32.DLL        :0x00007FFCE49B7C10  BaseThreadInitThunk
ntdll.dll           :0x00007FFCE526D4B0  RtlUserThreadStart


Thread : 000015d8
ntdll.dll           :0x00007FFCE529C760  NtWaitForSingleObject
KERNELBASE.dll      :0x00007FFCE2321E00  WaitForSingleObjectEx
blender.exe         :0x00007FF6B7E3F8A0  IlmThread_2_4::Semaphore::wait
blender.exe         :0x00007FF6B7E3F070  IlmThread_2_4::ThreadPool::numThreads
blender.exe         :0x00007FF6B7E3FD20  std::_LaunchPad<std::unique_ptr<std::tuple<void (__cdecl IlmThread_2_4::Thread::*)(void) __ptr64,Il
blender.exe         :0x00007FF6B7031FE0  std::_Pad::_Call_func
ucrtbase.dll        :0x00007FFCE2200F70  beginthreadex
KERNEL32.DLL        :0x00007FFCE49B7C10  BaseThreadInitThunk
ntdll.dll           :0x00007FFCE526D4B0  RtlUserThreadStart


Thread : 000015d0
ntdll.dll           :0x00007FFCE529C760  NtWaitForSingleObject
KERNELBASE.dll      :0x00007FFCE2321E00  WaitForSingleObjectEx
blender.exe         :0x00007FF6B7E3F8A0  IlmThread_2_4::Semaphore::wait
blender.exe         :0x00007FF6B7E3F070  IlmThread_2_4::ThreadPool::numThreads
blender.exe         :0x00007FF6B7E3FD20  std::_LaunchPad<std::unique_ptr<std::tuple<void (__cdecl IlmThread_2_4::Thread::*)(void) __ptr64,Il
blender.exe         :0x00007FF6B7031FE0  std::_Pad::_Call_func
ucrtbase.dll        :0x00007FFCE2200F70  beginthreadex
KERNEL32.DLL        :0x00007FFCE49B7C10  BaseThreadInitThunk
ntdll.dll           :0x00007FFCE526D4B0  RtlUserThreadStart


Thread : 00001fa4
ntdll.dll           :0x00007FFCE529C760  NtWaitForSingleObject
KERNELBASE.dll      :0x00007FFCE2321E00  WaitForSingleObjectEx
blender.exe         :0x00007FF6B7E3F8A0  IlmThread_2_4::Semaphore::wait
blender.exe         :0x00007FF6B7E3F070  IlmThread_2_4::ThreadPool::numThreads
blender.exe         :0x00007FF6B7E3FD20  std::_LaunchPad<std::unique_ptr<std::tuple<void (__cdecl IlmThread_2_4::Thread::*)(void) __ptr64,Il
blender.exe         :0x00007FF6B7031FE0  std::_Pad::_Call_func
ucrtbase.dll        :0x00007FFCE2200F70  beginthreadex
KERNEL32.DLL        :0x00007FFCE49B7C10  BaseThreadInitThunk
ntdll.dll           :0x00007FFCE526D4B0  RtlUserThreadStart


Thread : 00002724
ntdll.dll           :0x00007FFCE52A0010  NtWaitForAlertByThreadId
ntdll.dll           :0x00007FFCE5260AE0  RtlSleepConditionVariableSRW
KERNELBASE.dll      :0x00007FFCE230EC60  SleepConditionVariableSRW
MSVCP140.dll        :0x00007FFC78CFBA70  _crtSetThreadpoolWait
MSVCP140.dll        :0x00007FFC78CD2650  std::_Winerror_message
MSVCP140.dll        :0x00007FFC78CD2650  std::_Winerror_message
OpenAL32.dll        :0x00007FFC78EB5670  alcGetInteger64vSOFT
OpenAL32.dll        :0x00007FFC78EA0080  alGetError
OpenAL32.dll        :0x00007FFC78EA0080  alGetError
ucrtbase.dll        :0x00007FFCE2200F70  beginthreadex
KERNEL32.DLL        :0x00007FFCE49B7C10  BaseThreadInitThunk
ntdll.dll           :0x00007FFCE526D4B0  RtlUserThreadStart


Thread : 000039dc
ntdll.dll           :0x00007FFCE529C760  NtWaitForSingleObject
KERNELBASE.dll      :0x00007FFCE2321E00  WaitForSingleObjectEx
OpenAL32.dll        :0x00007FFC78EB5670  alcGetInteger64vSOFT
OpenAL32.dll        :0x00007FFC78EB5670  alcGetInteger64vSOFT
OpenAL32.dll        :0x00007FFC78EA0080  alGetError
ucrtbase.dll        :0x00007FFCE2200F70  beginthreadex
KERNEL32.DLL        :0x00007FFCE49B7C10  BaseThreadInitThunk
ntdll.dll           :0x00007FFCE526D4B0  RtlUserThreadStart


Thread : 000039e8
ntdll.dll           :0x00007FFCE529C760  NtWaitForSingleObject
KERNELBASE.dll      :0x00007FFCE2321E00  WaitForSingleObjectEx
OpenAL32.dll        :0x00007FFC78EA0080  alGetError
OpenAL32.dll        :0x00007FFC78EA0080  alGetError
OpenAL32.dll        :0x00007FFC78EA0080  alGetError
ucrtbase.dll        :0x00007FFCE2200F70  beginthreadex
KERNEL32.DLL        :0x00007FFCE49B7C10  BaseThreadInitThunk
ntdll.dll           :0x00007FFCE526D4B0  RtlUserThreadStart


Thread : 000039ec
ntdll.dll           :0x00007FFCE529D230  NtWaitForMultipleObjects
KERNELBASE.dll      :0x00007FFCE23329E0  WaitForMultipleObjectsEx
combase.dll         :0x00007FFCE4B16A40  CStdAsyncStubBuffer_Disconnect
combase.dll         :0x00007FFCE4B16A40  CStdAsyncStubBuffer_Disconnect
combase.dll         :0x00007FFCE4B16A40  CStdAsyncStubBuffer_Disconnect
combase.dll         :0x00007FFCE4B16A40  CStdAsyncStubBuffer_Disconnect
KERNEL32.DLL        :0x00007FFCE49B7C10  BaseThreadInitThunk
ntdll.dll           :0x00007FFCE526D4B0  RtlUserThreadStart


Thread : 000039f0
ntdll.dll           :0x00007FFCE52A0070  NtWaitForWorkViaWorkerFactory
ntdll.dll           :0x00007FFCE52338D0  RtlInitializeResource
KERNEL32.DLL        :0x00007FFCE49B7C10  BaseThreadInitThunk
ntdll.dll           :0x00007FFCE526D4B0  RtlUserThreadStart


Thread : 00002580
ntdll.dll           :0x00007FFCE52A0070  NtWaitForWorkViaWorkerFactory
ntdll.dll           :0x00007FFCE52338D0  RtlInitializeResource
KERNEL32.DLL        :0x00007FFCE49B7C10  BaseThreadInitThunk
ntdll.dll           :0x00007FFCE526D4B0  RtlUserThreadStart


Loaded Modules :
0x00007FF6B4290000 2.9.1.0              blender.exe C:\Program Files\Blender Foundation\Blender 2.91\blender.pdb 
0x00007FFCE5200000 10.0.18362.1171      ntdll.dll  
0x00007FFCE49A0000 10.0.18362.1110      KERNEL32.DLL  
0x00007FFCE22E0000 10.0.18362.1139      KERNELBASE.dll  
0x00007FFCE3920000 10.0.18362.1171      USER32.dll  
0x00007FFCE2180000 10.0.18362.1198      win32u.dll  
0x00007FFCE4970000 10.0.18362.1         GDI32.dll  
0x00007FFCE26C0000 10.0.18362.1139      gdi32full.dll  
0x00007FFCE3210000 10.0.18362.1110      msvcp_win.dll  
0x00007FFCE21E0000 10.0.18362.1110      ucrtbase.dll  
0x00007FFCE4200000 10.0.18362.1171      SHELL32.dll  
0x00007FFCE2590000 10.0.18362.387       cfgmgr32.dll  
0x00007FFCE32B0000 10.0.18362.1171      shcore.dll  
0x00007FFCE4F00000 7.0.18362.1          msvcrt.dll  
0x00007FFCE34D0000 10.0.18362.1198      RPCRT4.dll  
0x00007FFCE4A60000 10.0.18362.1171      combase.dll  
0x00007FFCE2640000 10.0.18362.836       bcryptPrimitives.dll  
0x00007FFCE2860000 10.0.18362.1171      windows.storage.dll  
0x00007FFCE3360000 10.0.18362.959       sechost.dll  
0x00007FFCE4E50000 10.0.18362.752       advapi32.dll  
0x00007FFCE20C0000 10.0.18362.693       profapi.dll  
0x00007FFCE20F0000 10.0.18362.1         powrprof.dll  
0x00007FFC79E10000 2019.9.0.0           tbb.dll  
0x00007FFCE20B0000                      UMPDC.dll  
0x00007FFCE41A0000 10.0.18362.1         shlwapi.dll  
0x00007FFCE2140000 10.0.18362.1171      kernel.appcore.dll  
0x00007FFCE30A0000 10.0.18362.1         cryptsp.dll  
0x00007FFCE4900000 10.0.18362.387       WS2_32.dll  
0x00007FFCE35F0000 10.0.18362.1082      ole32.dll  
0x00007FFCE5090000 10.0.18362.1         PSAPI.DLL  
0x00007FFCE4DA0000 10.0.18362.387       IMM32.dll  
0x00007FFC79E00000 10.0.18362.1         SHFOLDER.dll  
0x00007FFC798D0000 7.0.0.0              openvdb.dll  
0x00007FFCC6B80000 10.0.18362.387       OPENGL32.dll  
0x00007FFC79450000 3.7.7150.1013        python37.dll  
0x00007FFC76AD0000 58.54.100.0          avcodec-58.dll  
0x00007FFC79110000 58.29.100.0          avformat-58.dll  
0x00007FFC79DD0000 58.8.100.0           avdevice-58.dll  
0x00007FFCE4FA0000 10.0.18362.1110      OLEAUT32.dll  
0x00007FFC78FE0000 56.31.100.0          avutil-56.dll  
0x00007FFCE21B0000 10.0.18362.267       bcrypt.dll  
0x00007FFC79D30000 5.5.100.0            swscale-5.dll  
0x0000000070440000 1.0.28.0             libsndfile-1.dll  
0x00007FFC78D60000 2.0.12.0             SDL2.dll  
0x00007FFC78E90000 1.20.1.0             OpenAL32.dll  
0x000000006ACC0000                      libgmp-10.dll  
0x00007FFCE3B20000 10.0.18362.1         SETUPAPI.dll  
0x00007FFC79D20000 2019.9.0.0           tbbmalloc_proxy.dll  
0x00007FFC78CC0000 14.26.28720.3        MSVCP140.dll  
0x00007FFC79D00000 14.26.28720.3        VCRUNTIME140.dll  
0x00007FFC79CF0000 14.26.28720.3        VCRUNTIME140_1.dll  
0x00007FFCD09A0000 6.10.18362.1198      COMCTL32.dll  
0x00007FFC78CA0000 10.0.18362.1         AVIFIL32.dll  
0x00007FFCDAC10000 10.0.18362.1         VERSION.dll  
0x00007FFCD74A0000 10.0.18362.1049      dbghelp.dll  
0x0000000070680000                      libfftw3-3.dll  
0x00007FFCC6B50000 10.0.18362.387       GLU32.dll  
0x00007FFC78C70000 3.5.100.0            swresample-3.dll  
0x00007FFCD0830000 10.0.18362.1         Secur32.dll  
0x00007FFC78C50000 10.0.18362.1         AVICAP32.dll  
0x00007FFCDFB90000 10.0.18362.1         WINMM.dll  
0x00007FFC76A90000 2019.9.0.0           tbbmalloc.dll  
0x00007FFC78C20000 10.0.18362.1         MSVFW32.dll  
0x00007FFC76A70000 10.0.18362.1         MSACM32.dll  
0x00007FFCDFB60000 10.0.18362.1         WINMMBASE.dll  
0x00007FFCE0CE0000 10.0.18362.1         dxcore.dll  
0x00007FFCE1FC0000 10.0.18362.1049      SSPICLI.DLL  
0x00007FFCE03A0000 10.0.18362.449       uxtheme.dll  
0x00007FFCE50A0000 2001.12.10941.16384  clbcatq.dll  
0x00007FFCD3DF0000 10.0.18362.387       MMDevApi.dll  
0x00007FFCE1EA0000 10.0.18362.387       DEVOBJ.dll  
0x00007FFCD40D0000 10.0.18362.1110      AUDIOSES.DLL  
0x00007FFCDE080000 10.0.18362.1171      wintypes.dll  
0x00007FFCE0810000 10.0.18362.959       resourcepolicyclient.dll  
0x00007FFCE37E0000 10.0.18362.1198      MSCTF.dll  
0x00007FFCBD8E0000 10.0.18362.836       dataexchange.dll  
0x00007FFCDF720000 10.0.18362.1171      d3d11.dll  
0x00007FFCDF980000 10.0.18362.1110      dcomp.dll  
0x00007FFCE0D70000 10.0.18362.1049      dxgi.dll  
0x00007FFCE05A0000 10.0.18362.1171      twinapi.appcore.dll  
0x00007FFCE09E0000 10.0.18362.267       RMCLIENT.dll  
0x00007FFC75990000 26.20.100.8142       ig9icd64.dll  
0x00007FFCE04C0000 10.0.18362.267       dwmapi.dll  
0x00007FFCCB160000 27.20.14501.24001    atig6txx.dll  

# Python backtrace