What if imshow("Image", image); Exception not handled?

Question

OpenCV

What is the problem?

And:


Here's what opens up:


Here's what Visual Studio 2019 doesn't like

#include<opencv2\highgui\highgui.hpp>
#include<opencv2\core\core.hpp>
#include<opencv2\opencv.hpp>
#include<stdio.h>

using namespace cv;
using namespace std;

double minval, maxval; // не обращайте внимание

int main(int argc, const char** argv)
{
    setlocale(LC_ALL, "Russian");

    string ishod_im = "C:\\png\\screen.png";
    Mat image = imread(ishod_im);
    imshow("Image", image);
    waitKey(0);
    return 0;
}