# Blender 3.4.0, Commit date: 2022-12-06 18:46, Hash a95bf1ac01be # backtrace Exception Record: ExceptionCode : EXCEPTION_ACCESS_VIOLATION Exception Address : 0x00007FF6EBD8C149 Exception Module : blender.exe Exception Flags : 0x00000000 Exception Parameters : 0x2 Parameters[0] : 0x0000000000000000 Parameters[1] : 0x000001A65F9291C0 Stack trace: blender.exe :0x00007FF6EBD8C110 mesh_calc_ngon_normal blender.exe :0x00007FF6F1842B30 tbb::interface9::internal::dynamic_grainsize_mode,RangeTask,tbb::auto_partitioner const tbb.dll :0x00007FF98164F220 tbb::recursive_mutex::scoped_lock::internal_try_acquire tbb.dll :0x00007FF98164F220 tbb::recursive_mutex::scoped_lock::internal_try_acquire tbb.dll :0x00007FF98164F220 tbb::recursive_mutex::scoped_lock::internal_try_acquire blender.exe :0x00007FF6F1843640 BLI_task_parallel_range blender.exe :0x00007FF6EBC494F0 tbb::interface7::internal::delegated_function< const ,void tbb.dll :0x00007FF981644FD0 tbb::interface7::internal::isolate_within_arena blender.exe :0x00007FF6EBC4E4C0 BKE_mesh_poly_normals_ensure blender.exe :0x00007FF6EBBB2E40 BKE_mesh_calc_normals_split_ex blender.exe :0x00007FF6EBD64C30 tbb::interface7::internal::delegated_function< const ,void tbb.dll :0x00007FF981644FD0 tbb::interface7::internal::isolate_within_arena blender.exe :0x00007FF6EBD66190 mesh_calc_modifiers blender.exe :0x00007FF6EBD65F80 mesh_build_data blender.exe :0x00007FF6EBD68560 makeDerivedMesh blender.exe :0x00007FF6EBCF9B30 BKE_object_handle_data_update blender.exe :0x00007FF6EBCF9990 BKE_object_eval_uber_data blender.exe :0x00007FF6EBF4A8D0 blender::deg::`anonymous namespace'::evaluate_node blender.exe :0x00007FF6EBF4A670 blender::deg::`anonymous namespace'::deg_task_run_func blender.exe :0x00007FF6F1841F30 tbb::internal::function_task::execute tbb.dll :0x00007FF98164F220 tbb::recursive_mutex::scoped_lock::internal_try_acquire tbb.dll :0x00007FF98164F220 tbb::recursive_mutex::scoped_lock::internal_try_acquire tbb.dll :0x00007FF981644FD0 tbb::interface7::internal::isolate_within_arena tbb.dll :0x00007FF98164A120 tbb::task_scheduler_init::terminate tbb.dll :0x00007FF98164D800 tbb::thread_bound_filter::try_process_item tbb.dll :0x00007FF98164D800 tbb::thread_bound_filter::try_process_item ucrtbase.dll :0x00007FF9964F1B20 configthreadlocale KERNEL32.DLL :0x00007FF996F475F0 BaseThreadInitThunk ntdll.dll :0x00007FF9985C2680 RtlUserThreadStart Threads: Thread : 000045cc ntdll.dll :0x00007FF99860D910 NtYieldExecution KERNELBASE.dll :0x00007FF99625C780 SwitchToThread tbb.dll :0x00007FF98164F220 tbb::recursive_mutex::scoped_lock::internal_try_acquire tbb.dll :0x00007FF98164F220 tbb::recursive_mutex::scoped_lock::internal_try_acquire blender.exe :0x00007FF6EC956480 tbb::internal::task_group_base::wait blender.exe :0x00007FF6EBF4A120 blender::deg::deg_evaluate_on_refresh blender.exe :0x00007FF6EBB6DB70 BKE_scene_graph_update_for_newframe blender.exe :0x00007FF6EBE41020 WM_window_set_active_scene blender.exe :0x00007FF6EC1072A0 rna_Window_scene_update blender.exe :0x00007FF6EC0E9A50 rna_property_update blender.exe :0x00007FF6EC0E7CA0 RNA_property_update blender.exe :0x00007FF6EC892BA0 template_ID_set_property_exec_fn blender.exe :0x00007FF6EC87AFD0 ui_apply_but_funcs_after blender.exe :0x00007FF6EC886870 ui_handler_region_menu blender.exe :0x00007FF6EBE4D680 wm_handlers_do_intern blender.exe :0x00007FF6EBE4CAB0 wm_handlers_do blender.exe :0x00007FF6EBE53040 wm_event_do_handlers blender.exe :0x00007FF6EBE38A10 WM_main blender.exe :0x00007FF6EAF07FE0 main blender.exe :0x00007FF6F1A3E720 __scrt_common_main_seh KERNEL32.DLL :0x00007FF996F475F0 BaseThreadInitThunk ntdll.dll :0x00007FF9985C2680 RtlUserThreadStart Thread : 000044a8 ntdll.dll :0x00007FF998610AC0 ZwWaitForWorkViaWorkerFactory ntdll.dll :0x00007FF9985C26D0 TpReleaseCleanupGroupMembers KERNEL32.DLL :0x00007FF996F475F0 BaseThreadInitThunk ntdll.dll :0x00007FF9985C2680 RtlUserThreadStart Thread : 00004e18 ntdll.dll :0x00007FF998610AC0 ZwWaitForWorkViaWorkerFactory ntdll.dll :0x00007FF9985C26D0 TpReleaseCleanupGroupMembers KERNEL32.DLL :0x00007FF996F475F0 BaseThreadInitThunk ntdll.dll :0x00007FF9985C2680 RtlUserThreadStart Thread : 00001740 ntdll.dll :0x00007FF998610AC0 ZwWaitForWorkViaWorkerFactory ntdll.dll :0x00007FF9985C26D0 TpReleaseCleanupGroupMembers KERNEL32.DLL :0x00007FF996F475F0 BaseThreadInitThunk ntdll.dll :0x00007FF9985C2680 RtlUserThreadStart Thread : 00001770 ntdll.dll :0x00007FF99860D0D0 ZwWaitForSingleObject KERNELBASE.dll :0x00007FF996212C90 WaitForSingleObjectEx blender.exe :0x00007FF6F1E6C860 IlmThread_3_1::Semaphore::wait blender.exe :0x00007FF6F1E6C070 IlmThread_3_1::ThreadPool::numThreads blender.exe :0x00007FF6EB0CA910 std::thread::_Invoke