On my Windows 10, I installed Microsoft Azure Bot Framework Emulator from the here (I had used botframework-emulator-setup-4.0.15-alpha.exe
from the GitHub link that Microsoft Article provided).
But when I run the Emulator, configure a bot and send a text message it says couldn't send
(as highlighted in snapshot 3 below:
Step 1: Install Emulator
Step2: Create a new bot Configuration
Step3: Send message