In some rare cases, this icon is displayed at the center of my SWF file. Usually, when this icon displays, a gray rectangle will also display. The gray rectangle will block mouse and keyboard events. This icon is not added by my code. This error is observed randomly after I press a button to trigger a web service calls. I am using Flex2.
I think this is a Flex built-in icon. But I don't have any idea why this is happening. Do you have any idea about this?