Messier, this is how I see that brown dwarf. One of the screenshots is taken in HDR mode, the other in Auto mode. Luminosity of brown dwarfs is treated a bit differently from oher stars, it should be illuminated by the other star if you switch in HDR mode.
It could also be related to your graphic card, as your graphic drvers are very old (2017).
This is a link to the latest graphic drivers for your Geforce 940MX, windows 10 64bit english:
https://www.nvidia.com/Download/driverR ... 6629/en-us