I0624 20:13:53.871881 12176 blender_python.cpp:195] Debug flags initialized to: CPU flags: AVX2 : True AVX : True SSE4.1 : True SSE3 : True SSE2 : True BVH layout : EMBREE Split : False CUDA flags: Adaptive Compile : False OptiX flags: CUDA streams : 1 OpenCL flags: Device type : ALL Debug : False Memory limit : 0 I0624 20:13:55.503664 12176 device_opencl.cpp:48] CLEW initialization succeeded. I0624 20:13:55.613023 12176 device_cuda.cpp:56] CUEW initialization failed: Error opening the library Error : EXCEPTION_ACCESS_VIOLATION Address : 0x00007FF638FDE59A Module : blender.exe Thread : 00002f90 Switching to fully guarded memory allocator. Blender 3.0.0 Alpha Build: 2021-06-24 00:21:41 Windows release argv[0] = C:\Program Files\Blender Foundation\blender-3.0.0-alpha+master.f7fbb518c819-windows.amd64-release\\blender argv[1] = --debug argv[2] = --debug-gpu argv[3] = --debug-cycles argv[4] = --python-expr argv[5] = import bpy; bpy.ops.wm.sysinfo(filepath=r'C:\Users\FRANCE~1\AppData\Local\Temp\blender\debug_logs\blender_system_info.txt') Read prefs: C:\Users\Francesca Fei\AppData\Roaming\Blender Foundation\Blender\3.0\config\userpref.blend Writing: C:\Users\FRANCE~1\AppData\Local\Temp\blender.crash.txt