using System;

using System.Net;

using System.Threading.Tasks;

​

public class Program

{

    public static void Main()

    {

        Task.Factory.StartNew(() => VisitPage());

    }

    private  async static void VisitPage()

    {

        try

        {

            var client = new WebClient();

            string data = await client.DownloadStringTaskAsync("Www.google.com");

        }

        catch(Exception ex)

        {

            await LogErrorAsync();

        }

    }

    private  static Task  LogErrorAsync()

    {

        return Task.Factory.StartNew(() => { Console.WriteLine("Error Occured");});

    }

}