private void CheckRunningBrowsers()
        {
            listBox1.Items.Clear();

            var browsers = BrowserUtilities.GetRunningBrowsers();

            if (browsers.Count == 0)
            {
                Close();
            }

            foreach (var browser in browsers)
            {
                listBox1.Items.Add(browser.Name);
            }
        }
        private void btnStart_Click(object sender, EventArgs e)
        {
            if (BrowserUtilities.GetRunningBrowsers().Count > 0)
            {
                using (var bd = new BrowsersForm())
                {
                    bd.ShowDialog();
                }
            }

            btnStart.Enabled = false;

            StartRemoval();

            btnStart.Enabled = true;
        }