ASP.NET Core 3.1 Web App, error 'Unable to connect to web server 'IIS Express'

Question

I have been struggling to run my NetCore 3.1 Web Api project as localhost in IIS for debugging. I do not have much experience with this, and would like some advice.

The project runs fine published in Azure, but of course while its in Azure i cannot debug, so definitely need to be able to run it locally as well.

I am assuming there is an issue with the ports, but my question is, how do I select the ports properly?

These are my current settings in:

launchSettings.json

{
  "iisSettings": {
    "windowsAuthentication": false,
    "anonymousAuthentication": true,
    "iisExpress": {
      "applicationUrl": "http://localhost:5001",
      "sslPort": 44393
    }
  },
  "$schema": "http://json.schemastore.org/launchsettings.json",
  "profiles": {
    "IIS Express": {
      "commandName": "IISExpress",
      "launchBrowser": true,
      "launchUrl": "api/accounts/register",
      "environmentVariables": {
        "ASPNETCORE_ENVIRONMENT": "Development"
      },
      "ancmHostingModel": "OutOfProcess"
    },
    "YWAW.WebApi": {
      "commandName": "Project",
      "launchBrowser": true,
      "launchUrl": "api/accounts/register",
      "environmentVariables": {
        "ASPNETCORE_ENVIRONMENT": "Development"
      },
      "applicationUrl": "https://localhost:5001;http://localhost:5000"
    }
  }
}

appsSettings.json

{
  "Tokens": {
    "Key": "MYSECRETKEY",
    "Issuer": "localhost.com",
    "AccessExpireSeconds": "86400"
  },
  "Logging": {
    "LogLevel": {
      "Default": "Warning"
    }
  },
  "AllowedHosts": "*"
}