Getting Error "read ECONNRESET" in Bot Framework - visual-studio

I am getting this 'ServiceError' when I am running my Bot from Visual Studio. It is showing..
code:"ServiceError"
message:"request to http://localhost:3978/api/messages failed, reason: read ECONNRESET"
Can anyone please help me to fix this issue? I tried changing port number also but facing the same issue.

This can be solved with two different ways:
Try to make sure to run the bot before trying to connect with emulator
Some cases it is because of the IISExpress configuration of IPv4 of port listings. IPv4 is not listing 127.0.0.1 with post 3978. Instead change from IISExpress to AspNetCore.Hosting

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offing vpn worked for me aftering spenting time thinking.
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check if your services are up and running.
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