Unable to contact local SharpPad server

[CodeByNate]

I am unable to run SharpPad. Yes. I have tried adding a firewall exception and disabling firewall completely. Here is the trace:

Unable to contact local SharpPad server. Please ensure "Output.Port" is correct (currently 5255).

Unhandled Exception: System.Net.Http.HttpRequestException: No connection could be made because the target machine actively refused it ---> System.Net.Sockets.SocketException: No connection could be made because the target machine actively refused it
at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)
--- End of inner exception stack trace ---
at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken)
at System.Threading.Tasks.ValueTask1.get_Result() at System.Net.Http.HttpConnectionPool.CreateConnectionAsync(HttpRequestMessage request, CancellationToken cancellationToken) at System.Threading.Tasks.ValueTask1.get_Result()
at System.Net.Http.HttpConnectionPool.WaitForCreatedConnectionAsync(ValueTask1 creationTask) at System.Threading.Tasks.ValueTask1.get_Result()
at System.Net.Http.HttpConnectionPool.SendWithRetryAsync(HttpRequestMessage request, Boolean doRequestAuth, CancellationToken cancellationToken)
at System.Net.Http.RedirectHandler.SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)
at System.Net.Http.HttpClient.FinishSendAsyncBuffered(Task1 sendTask, HttpRequestMessage request, CancellationTokenSource cts, Boolean disposeCts) at SharpPad.Output.MakeHttpRequest(Func2 request)
at SharpPad.Output.SendContent(String serialized)
at SharpPad.Output.DumpInternal(Object input, String title, Boolean withStackTrace)
at SharpPad.Output.Dump[T](T input, String title)
at DumpingTest.Program.Main(String[] args) in C:\Users\username\source\learncs\MCPD\Chapter04\DumpingTest\Program.cs:line 11
at DumpingTest.Program.

(String[] args)

[QingCold]

Same problem