image error

int main()
{
    using namespace std;
    using namespace sf;
    ContextSettings settings;
    setlocale(LC_ALL, "Russian");
    sf::RenderWindow window(sf::VideoMode(800, 600), "Spread of viruses      fps");
    view.reset(sf::FloatRect(0, 0, 800, 600));
    cout << "_0_";
    window.setActive();
    Image icon; icon.loadFromFile("Virus_img3.jpg");
    cout << "_1_";
    window.setIcon(icon.getSize().x, icon.getSize().y, icon.getPixelsPtr());
    icon.loadFromFile("Graphic_img.png");
    window2.setIcon(icon.getSize().x, icon.getSize().y, icon.getPixelsPtr());
    icon.loadFromFile("Options_img.png");
    window3.setIcon(icon.getSize().x, icon.getSize().y, icon.getPixelsPtr());
    Clock clock;
//...