When starting OpenCV, it writes an Emgu.CV.Util.CvException error. How to fix??

Question

C++ / C#

I downloaded the XML file from Github OpenCV , but it still writes an error when starting

Emgu.CV.Util.CvException: "OpenCV: C:\User\...\haarcascade_frontalface_alt.xml(1): Valid XML should start with '<?xml ...?>'"

Although everything is original and made according to the instructions. How to fix?
Here is the code:

using Emgu.CV;
using Emgu.Util;
using Emgu.CV.Structure;
 HaarCascade faceCascade = new HaarCascade("haarcascade_frontalface_alt.xml");
            Image<Bgr, Byte> image = _capture.QueryFrame();
            Image<Gray,double> IntegralImage = image.Convert<Gray, double>();   //Интегральное изображение, строим средствами OpenCV
        
            var Face = IntegralImage.DetectHaarCascade(faceCascade)[0];
            foreach (var face in Face)
            {
                image.Draw(face.rect, new Bgr(255, 255, 255), 10);
            }
            VideoWindow.Image = image;

Answer 1

Can you view your XML with a viewer and start posting it here? If you download from github directly, then html tags can get there and it will be invalid.