An Established Connection Was Aborted By The Software In Your Host Machine (vs Dev Server)

I've seen similar posts about this problem, but none of them relate to the use of the Visual Studio development server for ASP .NET. I'm receiving the following error. An establish

Solution 1:

face same problem, it was firewall stoping it .... so turned off the firewall and it working now... :)

Solution 2:

I can't believe I didn't seek an answer from the documentation. It clearly states that 127.0.0.1 is the IP of the emulator itself, while 10.0.2.2 is the IP of the developer machine.

Changing from localhost to 10.0.2.2 solved my issue.