ProxyManager.Profile.Save C# (CSharp) Method

        public static void Save(Profile profile)
        {
            Logger.V(">> Profile.Save");
            XmlSerializer xs = new XmlSerializer(typeof(Profile));
            StreamWriter writer = new StreamWriter(profile.m_szProfilePath, false);
            try {
                xs.Serialize(writer.BaseStream, profile);
            } catch (Exception x) {
                System.Diagnostics.Debug.WriteLine(x.Message);
            }
            writer.Close();
            Logger.V("<< Profile.Save");
        }

        static void Main()
        {
            try {
                string path = Process.GetCurrentProcess().MainModule.FileName;
                path = Path.GetDirectoryName(path);

                bool  createdNew;
                Mutex instance = new Mutex(true,
                                           Process.GetCurrentProcess().ProcessName, out createdNew);

                if (createdNew)
                {
                    Logger.Initialize(
                        Path.Combine(path, AppManager.APP_NEW_LOG_FILE_NAME),
                        Path.Combine(path, AppManager.APP_OLD_LOG_FILE_NAME));
                    AppManager appManager = new AppManager(path);

                    if (!appManager.LoadAppEnvironment())
                    {
                        string msg = @"'" + AppManager.PROXY_AGENT_FILE_NAME
                                     + "' is missing." + Environment.NewLine
                                     + @"Failed to launch " + AppManager.ASSEMBLY_PRODUCT + @".";
                        Logger.E(msg);
                        MessageBox.Show(msg,
                                        AppManager.ASSEMBLY_PRODUCT,
                                        MessageBoxButtons.OK, MessageBoxIcon.Error);
                    }
                    else
                    {
                        Application.EnableVisualStyles();
                        Application.SetCompatibleTextRenderingDefault(false);
                        if (appManager.LoadAppProfile())
                        {
                            string msg = @"New profile '" + Profile.PROFILE_FILE_NAME
                                         + @"' has been created successfully.";
                            Logger.I(msg);
                            DialogResult dr = MessageBox.Show(msg
                                                              + Environment.NewLine
                                                              + @"It is strongly recommended to set the options before using "
                                                              + AppManager.ASSEMBLY_PRODUCT + @"."
                                                              + Environment.NewLine
                                                              + @"Would you like to set the options right now?",
                                                              AppManager.ASSEMBLY_PRODUCT,
                                                              MessageBoxButtons.YesNo,
                                                              MessageBoxIcon.Question);

                            if (dr == DialogResult.Yes)
                            {
                                dr = DlgOptions.Instance.ShowDialog(
                                    appManager.AppProfile);
                                if ((dr == DialogResult.OK) &&
                                    (!appManager.AppProfile.Equals(DlgOptions.DlgProfile)))
                                {
                                    appManager.AppProfile = new Profile(DlgOptions.DlgProfile);
                                    Profile.Save(DlgOptions.DlgProfile);
                                }
                            }
                        }
                        if (!appManager.IsLoadAppProfileFailed())
                        {
                            Application.Run(new FormMain(appManager));
                        }
                    }

                    instance.ReleaseMutex();
                }
                else
                {
                    MessageBox.Show(
                        "ProxyManager is already running.",
                        AppManager.ASSEMBLY_PRODUCT,
                        MessageBoxButtons.OK,
                        MessageBoxIcon.Error);
                }
            } catch (Exception x) {
                string msg = x.Message + Environment.NewLine + x.StackTrace;
                Logger.E(msg);
                MessageBox.Show(msg,
                                AppManager.ASSEMBLY_PRODUCT,
                                MessageBoxButtons.OK,
                                MessageBoxIcon.Error);
            } finally {
                Logger.Terminate();
            }
        }