C# selenium browser exception unhandled error (I need help)

private void çek_Click(object sender, EventArgs e)
    {
        // Image image = Image.FromFile(@"C:\Users\Sau\Desktop\Dmp-Wr6WwAEQPtp.jpg");



         IWebElement element = driver.FindElement(By.Id("gsc_prf_pup-img"));
        String src = element.GetAttribute("src");

        Console.WriteLine(src);
        label5.Text = src;

        Thread.Sleep(5000);

        Thread.Sleep(2500);
        var request = WebRequest.Create(src);

        using (var response = request.GetResponse())
        using (var stream = response.GetResponseStream())
        {
            profil.Image = Bitmap.FromStream(stream);
        }






    }

OpenQA.Selenium.NoSuchElementException: 'no such element: Unable to locate element: {"method":"css selector","selector":"#gsc_prf_pup\-img"}
  (Session info: chrome=127.0.0.1)'

var element = driver.FindElement(By.TagName("img"));
string imageSrc = element.GetAttribute("src")

IWebElement logo = driver.findElement(By.cssSelector(".forum-logo"));
   String logoSRC = logo.getAttribute("src");