v363. alpha6. Forced to "DC/Car mode" (I'm in the house). Set to "App's use serial port" (and I still dislike that apostrophe )

Works fine, I'm looking at the output on the screen. 4 satellites despite the GPS receiver being indoors.

I have
[serial]
car_rate=4800
in my config.ini. Nothing else is special.

So, I think you have some other problem?