libgcc_s_sjlj-1.dll was not found code blocks

[Mycott]

hi,im a rookie in SFML,i have a problem,when i try to run my program,windows gave me this errore "libgcc_s_sjlj-1.dll not found" and i dont know how to do,sorry for my bad english,but i am italian
there the code:

#include <SFML/Graphics.hpp>

int main()
{
    sf::RenderWindow window(sf::VideoMode(200, 200), "SFML works!");
    sf::CircleShape shape(100.f);
    shape.setFillColor(sf::Color::Green);

    while (window.isOpen())
    {
        sf::Event event;
        while (window.pollEvent(event))
        {
            if (event.type == sf::Event::Closed)
                window.close();
        }

        window.clear();
        window.draw(shape);
        window.display();
    }

    return 0;
}

sorry for the image in italian

[Stauricus]

hello
how did you install SFML?