Thank you, again, Constrainted.
It is working wonderfully now.
Here are my settings for PinPoint APRS + Soundmodem + Win10 + Digirig + Baofeng
Baofeng: Squelch - 5 ; VOX - off
In addition to the settings that Constrainted and
Denis K0TX mentioned, I also unchecked (disabled) the AGWPE Server Port: 8000 in Soundmodem.
73 and thank you, Coyote KO4UPH