jQuery UI Dialog - missing close icon

Question

I\'m using a custom jQuery 1.10.3 theme. I downloaded every straight from the theme roller and I have intentionally not changed anything.

I created a dialog box and I

Answer 1

I got stuck with the same problem and after read and try all the suggestions above I just tried to replace manually this image (which you can find it here) in the CSS after downloaded it and saved in the images folder on my app and voilá, problem solved!

here is the CSS:

.ui-state-default .ui-icon {
        background-image: url("../img/ui-icons_888888_256x240.png");
}