A: Closing from menu
==========================================

C:\MyBlender\BlenderBin\bin\Debug>blender --factory-startup
AL lib: (EE) UpdateDeviceParams: Failed to set 44100hz, got 48000hz instead
Vendor: NVIDIA Corporation
Renderer: GeForce GTX 660/PCIe/SSE2
Version: 4.5.0 NVIDIA 388.71
Warning! Dummy Version: 4.6.0 NVIDIA 388.71
Context Version: 4.5
Vendor: NVIDIA Corporation
Renderer: GeForce GTX 660/PCIe/SSE2
Version: 4.5.0 NVIDIA 388.71
Warning! Dummy Version: 4.6.0 NVIDIA 388.71
Context Version: 4.5
found bundled python: C:\MyBlender\BlenderBin\bin\Debug\2.80\python
Error: Not freed memory blocks: 2, total unfreed memory 17454747090944.000000 MB

Blender quit

B: Closing from top right window icon
==========================================

C:\MyBlender\BlenderBin\bin\Debug>blender --factory-startup
AL lib: (EE) UpdateDeviceParams: Failed to set 44100hz, got 48000hz instead
Vendor: NVIDIA Corporation
Renderer: GeForce GTX 660/PCIe/SSE2
Version: 4.5.0 NVIDIA 388.71
Warning! Dummy Version: 4.6.0 NVIDIA 388.71
Context Version: 4.5
Vendor: NVIDIA Corporation
Renderer: GeForce GTX 660/PCIe/SSE2
Version: 4.5.0 NVIDIA 388.71
Warning! Dummy Version: 4.6.0 NVIDIA 388.71
Context Version: 4.5
found bundled python: C:\MyBlender\BlenderBin\bin\Debug\2.80\python

Blender quit