Calling Service from Windows service using HttpClient

Simple Windows Service that runs periodically and once a day at specific time using C# and VB.Net

https://www.aspsnippets.com/Articles/Simple-Windows-Service-that-runs-periodically-and-once-a-day-at-specific-time-using-C-and-VBNet.aspx

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WindowsService->Programe.cs
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 static void Main()
        {       
            using (var client = new HttpClient())
            {
                try
                {
                    string serviceUrl = ConfigurationSettings.AppSettings["RemainderServiceURL"];
                    if (ConfigurationSettings.AppSettings["IsValidSSL"] == "false")
                    {
                        //make sure to use TLS 1.2 first before trying other version
                        ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12 |         SecurityProtocolType.Tls11 | SecurityProtocolType.Tls;

                        //To bypass certificate validation
                        ServicePointManager.ServerCertificateValidationCallback += (sender, certificate, chain, sslPolicyErrors) => true;
                    }
                    //set Accept headers
                    client.DefaultRequestHeaders.TryAddWithoutValidation("Accept", "text/html,application/xhtml+xml,application/xml,application/json");
                    //set User agent
                    client.DefaultRequestHeaders.TryAddWithoutValidation("User-Agent", "Mozilla/5.0 (Windows NT 6.3; WOW64; Trident/7.0; EN; rv:11.0) like Gecko");
                    client.DefaultRequestHeaders.TryAddWithoutValidation("Accept-Charset", "ISO-8859-1");

                    HttpResponseMessage response = client.GetAsync(serviceUrl).Result;
               
                }
                catch (Exception ex)
                {
                    //your Code
                }
                finally
                {
                    //your Code
                }
            }
        }