He creado un servicio de Windows con temporizador en c # .net. funciona bien mientras depuro / construyo el proyecto en Visual Studio pero no realiza su operación después de la instalación.

¿Cuál podría ser la razón detrás de esto?

código:

public partial class Service1 : ServiceBase
{
        FileStream fs;
        StreamWriter m_streamWriter;
        Timer tm = new Timer();

        public Service1()
        {
            InitializeComponent();

            this.ServiceName = "timerservice";

            tm.Interval = 2000;
            tm.Tick += new EventHandler(PerformOperations);
            tm.Start();

            fs = new FileStream(@"c:\mcWindowsService.txt", FileMode.OpenOrCreate, FileAccess.Write);

            m_streamWriter = new StreamWriter(fs);
            m_streamWriter.BaseStream.Seek(0, SeekOrigin.End);
        }

        private void PerformOperations(object sener, EventArgs e)
        {
            //StreamWriter swr = new StreamWriter("c:\\test_from_database.txt",true);

            try
            {
                OdbcConnection con = new OdbcConnection("DSN=liquor_data");

                OdbcDataAdapter adp = new OdbcDataAdapter("", con);

                DataSet ds = new DataSet();

                string sql = "select * from item_group";
                adp.SelectCommand.CommandText = sql;

                adp.Fill(ds, "item_group");

                foreach (DataRow dr in ds.Tables["item_group"].Rows)
                {
                    //      swr.Write(dr["group_name"].ToString() + "\t\t" + DateTime.Now.TimeOfDay.ToString() + "\n");

                    //Console.WriteLine(dr["group_name"].ToString() + "\t\t" + DateTime.Now.TimeOfDay.ToString() + "\n");
                    m_streamWriter.WriteLine(dr["group_name"].ToString() + "\t\t" + DateTime.Now.TimeOfDay.ToString() + "\n");
                }

                m_streamWriter.Flush();
            }

            catch (Exception ex)
            {
                // swr.Write("Error :"+ ex.Message + "\t\t" + DateTime.Now.TimeOfDay.ToString() + "\n"); }
            }
        }
    }