asp.NET Tutorial Error

[JesseWStratton]

Problem encountered on https://dotnet.microsoft.com/learn/aspnet/hello-world-tutorial/run
Operating System: windows

Attempting to begin the Microsoft ASP.NET tutorial, error message below:

U:\myWebApp>dotnet run info: Microsoft.AspNetCore.DataProtection.KeyManagement.XmlKeyManager[0] User profile is available. Using 'C:\Users\<username>\AppData\Local\ASP.NET\DataProtection-Keys' as key repository and Windows DPAPI to encrypt keys at rest. info: Microsoft.AspNetCore.DataProtection.KeyManagement.XmlKeyManager[58] Creating key {4c398e14-c46f-4758-8df2-d24e846f9717} with creation date 2019-10-10 19:31:12Z, activation date 2019-10-10 19:31:12Z, and expiration date 2020-01-08 19:31:12Z. info: Microsoft.AspNetCore.DataProtection.Repositories.FileSystemXmlRepository[39] Writing data to file 'C:\Users\<username>\AppData\Local\ASP.NET\DataProtection-Keys\key-4c398e14-c46f-4758-8df2-d24e846f9717.xml'. warn: Microsoft.AspNetCore.Server.Kestrel[0] Unable to bind to http://localhost:5000 on the IPv4 loopback interface: 'An invalid argument was supplied.'. warn: Microsoft.AspNetCore.Server.Kestrel[0] Unable to bind to http://localhost:5000 on the IPv6 loopback interface: 'An invalid argument was supplied.'. crit: Microsoft.AspNetCore.Server.Kestrel[0] Unable to start Kestrel. System.IO.IOException: Failed to bind to address http://localhost:5000. ---> System.AggregateException: One or more errors occurred. (An invalid argument was supplied.) (An invalid argument was supplied.) ---> System.Net.Sockets.SocketException (10022): An invalid argument was supplied. at System.Net.Sockets.Socket..ctor(AddressFamily addressFamily, SocketType socketType, ProtocolType protocolType) at Microsoft.AspNetCore.Server.Kestrel.Transport.Sockets.SocketConnectionListener.Bind() at Microsoft.AspNetCore.Server.Kestrel.Transport.Sockets.SocketTransportFactory.BindAsync(EndPoint endpoint, CancellationToken cancellationToken) at Microsoft.AspNetCore.Server.Kestrel.Core.KestrelServer.<>c__DisplayClass21_01.<g__OnBind|0>d.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at Microsoft.AspNetCore.Server.Kestrel.Core.Internal.AddressBinder.BindEndpointAsync(ListenOptions endpoint, AddressBindContext context)
at Microsoft.AspNetCore.Server.Kestrel.Core.LocalhostListenOptions.BindAsync(AddressBindContext context)
--- End of inner exception stack trace ---
---> (Inner Exception #1) System.Net.Sockets.SocketException (10022): An invalid argument was supplied.
at System.Net.Sockets.Socket..ctor(AddressFamily addressFamily, SocketType socketType, ProtocolType protocolType)
at Microsoft.AspNetCore.Server.Kestrel.Transport.Sockets.SocketConnectionListener.Bind()
at Microsoft.AspNetCore.Server.Kestrel.Transport.Sockets.SocketTransportFactory.BindAsync(EndPoint endpoint, CancellationToken cancellationToken)
at Microsoft.AspNetCore.Server.Kestrel.Core.KestrelServer.<>c__DisplayClass21_0`1.<g__OnBind|0>d.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at Microsoft.AspNetCore.Server.Kestrel.Core.Internal.AddressBinder.BindEndpointAsync(ListenOptions endpoint, AddressBindContext context)
at Microsoft.AspNetCore.Server.Kestrel.Core.LocalhostListenOptions.BindAsync(AddressBindContext context)<---

--- End of inner exception stack trace ---
at Microsoft.AspNetCore.Server.Kestrel.Core.LocalhostListenOptions.BindAsync(AddressBindContext context)
at Microsoft.AspNetCore.Server.Kestrel.Core.Internal.AddressBinder.AddressesStrategy.BindAsync(AddressBindContext context)
at Microsoft.AspNetCore.Server.Kestrel.Core.Internal.AddressBinder.BindAsync(IServerAddressesFeature addresses, KestrelServerOptions serverOptions, ILogger logger, Func2 createBinding) at Microsoft.AspNetCore.Server.Kestrel.Core.KestrelServer.StartAsync[TContext](IHttpApplication1 application, CancellationToken cancellationToken)
Unhandled exception. System.IO.IOException: Failed to bind to address http://localhost:5000.
---> System.AggregateException: One or more errors occurred. (An invalid argument was supplied.) (An invalid argument was supplied.)
---> System.Net.Sockets.SocketException (10022): An invalid argument was supplied.
at System.Net.Sockets.Socket..ctor(AddressFamily addressFamily, SocketType socketType, ProtocolType protocolType)
at Microsoft.AspNetCore.Server.Kestrel.Transport.Sockets.SocketConnectionListener.Bind()
at Microsoft.AspNetCore.Server.Kestrel.Transport.Sockets.SocketTransportFactory.BindAsync(EndPoint endpoint, CancellationToken cancellationToken)
at Microsoft.AspNetCore.Server.Kestrel.Core.KestrelServer.<>c__DisplayClass21_01.<<StartAsync>g__OnBind|0>d.MoveNext() --- End of stack trace from previous location where exception was thrown --- at Microsoft.AspNetCore.Server.Kestrel.Core.Internal.AddressBinder.BindEndpointAsync(ListenOptions endpoint, AddressBindContext context) at Microsoft.AspNetCore.Server.Kestrel.Core.LocalhostListenOptions.BindAsync(AddressBindContext context) --- End of inner exception stack trace --- ---> (Inner Exception #1) System.Net.Sockets.SocketException (10022): An invalid argument was supplied. at System.Net.Sockets.Socket..ctor(AddressFamily addressFamily, SocketType socketType, ProtocolType protocolType) at Microsoft.AspNetCore.Server.Kestrel.Transport.Sockets.SocketConnectionListener.Bind() at Microsoft.AspNetCore.Server.Kestrel.Transport.Sockets.SocketTransportFactory.BindAsync(EndPoint endpoint, CancellationToken cancellationToken) at Microsoft.AspNetCore.Server.Kestrel.Core.KestrelServer.<>c__DisplayClass21_01.<g__OnBind|0>d.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at Microsoft.AspNetCore.Server.Kestrel.Core.Internal.AddressBinder.BindEndpointAsync(ListenOptions endpoint, AddressBindContext context)
at Microsoft.AspNetCore.Server.Kestrel.Core.LocalhostListenOptions.BindAsync(AddressBindContext context)<---

--- End of inner exception stack trace ---
at Microsoft.AspNetCore.Server.Kestrel.Core.LocalhostListenOptions.BindAsync(AddressBindContext context)
at Microsoft.AspNetCore.Server.Kestrel.Core.Internal.AddressBinder.AddressesStrategy.BindAsync(AddressBindContext context)
at Microsoft.AspNetCore.Server.Kestrel.Core.Internal.AddressBinder.BindAsync(IServerAddressesFeature addresses, KestrelServerOptions serverOptions, ILogger logger, Func2 createBinding) at Microsoft.AspNetCore.Server.Kestrel.Core.KestrelServer.StartAsync[TContext](IHttpApplication1 application, CancellationToken cancellationToken)
at Microsoft.AspNetCore.Hosting.GenericWebHostService.StartAsync(CancellationToken cancellationToken)
at Microsoft.Extensions.Hosting.Internal.Host.StartAsync(CancellationToken cancellationToken)
at Microsoft.Extensions.Hosting.HostingAbstractionsHostExtensions.RunAsync(IHost host, CancellationToken token)
at Microsoft.Extensions.Hosting.HostingAbstractionsHostExtensions.RunAsync(IHost host, CancellationToken token)
at Microsoft.Extensions.Hosting.HostingAbstractionsHostExtensions.Run(IHost host)
at myWebApp.Program.Main(String[] args) in U:\myWebApp\Program.cs:line 16`

[scalablecory]

This issue was moved to dotnet/aspnetcore#14992