System.Net.WebException: Se ha terminado la conexión: Error inesperado de envío. ---> System.IO.IOException: Error de autenticación porque la parte remota cerró la secuencia de transporte.
   en System.Net.Security.SslState.StartReadFrame(Byte[] buffer, Int32 readBytes, AsyncProtocolRequest asyncRequest)
   en System.Net.Security.SslState.StartReceiveBlob(Byte[] buffer, AsyncProtocolRequest asyncRequest)
   en System.Net.Security.SslState.CheckCompletionBeforeNextReceive(ProtocolToken message, AsyncProtocolRequest asyncRequest)
   en System.Net.Security.SslState.StartSendBlob(Byte[] incoming, Int32 count, AsyncProtocolRequest asyncRequest)
   en System.Net.Security.SslState.ForceAuthentication(Boolean receiveFirst, Byte[] buffer, AsyncProtocolRequest asyncRequest)
   en System.Net.Security.SslState.ProcessAuthentication(LazyAsyncResult lazyResult)
   en System.Net.TlsStream.CallProcessAuthentication(Object state)
   en System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   en System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)
   en System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   en System.Net.TlsStream.ProcessAuthentication(LazyAsyncResult result)
   en System.Net.TlsStream.Write(Byte[] buffer, Int32 offset, Int32 size)
   en System.Net.PooledStream.Write(Byte[] buffer, Int32 offset, Int32 size)
   en System.Net.ConnectStream.WriteHeaders(Boolean async)
   --- Fin del seguimiento de la pila de la excepción interna ---
   en System.Net.WebClient.DownloadDataInternal(Uri address, WebRequest& request)
   en System.Net.WebClient.DownloadString(Uri address)
   en System.Net.WebClient.DownloadString(String address)
   en AnyDesk.login.button1_Click(Object sender, EventArgs e)
   en System.Windows.Forms.Control.OnClick(EventArgs e)
   en System.Windows.Forms.Button.OnClick(EventArgs e)
   en System.Windows.Forms.Button.OnMouseUp(MouseEventArgs mevent)
   en System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
   en System.Windows.Forms.Control.WndProc(Message& m)
   en System.Windows.Forms.ButtonBase.WndProc(Message& m)
   en System.Windows.Forms.Button.WndProc(Message& m)
   en System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
   en System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
   en System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)