# Blender 2.91.0, Commit date: 2020-07-27 20:21, Hash ace832bf7c4a # backtrace Exception Record: ExceptionCode : EXCEPTION_ACCESS_VIOLATION Exception Address : 0x00007FF6A56B1770 Exception Module : blender.exe Exception Flags : 0x00000000 Exception Parameters : 0x2 Parameters[0] : 0x0000000000000000 Parameters[1] : 0x0000000000000010 Stack trace: blender.exe :0x00007FF6A56B1770 GPU_shader_get_builtin_block blender.exe :0x00007FF6A1CF9000 drw_shgroup_init blender.exe :0x00007FF6A1CF5D30 DRW_shgroup_create blender.exe :0x00007FF6A1D66940 workbench_opaque_cache_init blender.exe :0x00007FF6A1D2D150 workbench_cache_init blender.exe :0x00007FF6A1CF3290 drw_engines_cache_init blender.exe :0x00007FF6A1CEFE30 DRW_draw_render_loop_ex blender.exe :0x00007FF6A1CF0FF0 DRW_draw_view blender.exe :0x00007FF6A2305D00 view3d_main_region_draw blender.exe :0x00007FF6A1F2D780 ED_region_do_draw blender.exe :0x00007FF6A1C13880 wm_draw_window_offscreen blender.exe :0x00007FF6A1C136B0 wm_draw_window blender.exe :0x00007FF6A1C131B0 wm_draw_update blender.exe :0x00007FF6A1BF8400 ghost_event_proc blender.exe :0x00007FF6A23F24E0 GHOST_CallbackEventConsumer::processEvent blender.exe :0x00007FF6A23FA3B0 GHOST_EventManager::dispatchEvents blender.exe :0x00007FF6A23FB3E0 GHOST_System::dispatchEvents blender.exe :0x00007FF6A1BFA340 wm_window_process_events blender.exe :0x00007FF6A1BF0820 WM_main blender.exe :0x00007FF6A1971970 main blender.exe :0x00007FF6A5C697C8 __scrt_common_main_seh KERNEL32.DLL :0x00007FFB82F97960 BaseThreadInitThunk ntdll.dll :0x00007FFB84E4A250 RtlUserThreadStart Threads: Thread : 00001624 ntdll.dll :0x00007FFB84E830C0 NtWaitForWorkViaWorkerFactory ntdll.dll :0x00007FFB84E2FF40 RtlReleaseSRWLockExclusive KERNEL32.DLL :0x00007FFB82F97960 BaseThreadInitThunk ntdll.dll :0x00007FFB84E4A250 RtlUserThreadStart Thread : 00001bb8 ntdll.dll :0x00007FFB84E830C0 NtWaitForWorkViaWorkerFactory ntdll.dll :0x00007FFB84E2FF40 RtlReleaseSRWLockExclusive KERNEL32.DLL :0x00007FFB82F97960 BaseThreadInitThunk ntdll.dll :0x00007FFB84E4A250 RtlUserThreadStart Thread : 000008a0 ntdll.dll :0x00007FFB84E7F7D0 NtWaitForSingleObject KERNELBASE.dll :0x00007FFB80F58920 WaitForSingleObjectEx blender.exe :0x00007FF6A52F6780 IlmThread_2_4::Semaphore::wait blender.exe :0x00007FF6A52F5F50 IlmThread_2_4::ThreadPool::numThreads blender.exe :0x00007FF6A52F6C00 std::_LaunchPad