在组件服务中停止Windows服务时出错

Question

我正在开发Windows服务。它工作正常。当我试图从services.msc停止服务时，它会抛出以下错误：

Windows无法在本地计算机上停止xxx服务。该服务未返回错误。这可能是内部Windows错误或内部服务错误。如果问题仍然存在，请与系统管理员联系。 如果我再次尝试停止它，则需要花费大量时间然后抛出错误，如下所示：

Windows无法在本地计算机上停止xxx服务。错误1061：此时服务无法接受控制消息。

    protected override void OnStop()
    {
        timer.Enabled = false;
        EventViewerHelper.LogMessage(Resources.AppName, Resources.EventViewerServiceFinished, EventLogEntryType.Information);
    }

    protected override void OnStart(string[] args)
    {
        try
        {
    ExchangeService service = new ExchangeService(ExchangeVersion.Exchange2010_SP1);

            string configExchangeURL = Properties.Settings.Default.ExchangeURL;

            if (args.Length > 0)
            {
                string UserName = args[0];
                string Password = args[1];
                string Domain = args[2];
                service.Credentials = new WebCredentials(UserName, Password, Domain);
            }
            else
            {
                service.UseDefaultCredentials = true;
            }

            service.Url = new Uri(configExchangeURL);
            service.TraceFlags = TraceFlags.None;

            AppSettingsReader settings = new AppSettingsReader();
            bool exchangeDownloadStreamSubscription = (bool)settings.GetValue("ExchangeDownloadStreamSubscription", typeof(bool));
            if (exchangeDownloadStreamSubscription)
            {
                StreamingSubscription streamingsubscription = service.SubscribeToStreamingNotifications(new FolderId[] { WellKnownFolderName.Inbox }, EventType.NewMail);
                var connection = new StreamingSubscriptionConnection(service, 30);
                connection.AddSubscription(streamingsubscription);
                connection.OnNotificationEvent += connection_OnNotificationEvent;
                connection.OnDisconnect += OnDisconnect;
                connection.Open();
            }
            else
            {
                timer = new Timer();
                timer.Elapsed += new ElapsedEventHandler(OnElapsedTime);
                timer.Interval = 120000;
                timer.Enabled = true;
            }
        }
        catch (Exception ex)
        {
            EventViewerHelper.LogMessage(Resources.AppName, string.Format(Resources.EventViewerServiceStartedError, ex.Message), EventLogEntryType.Error);
        }
    }