*** Security Sandbox Violation ***

THIS IS MY ERROR TRACED WHEN I CLICK IN ONE BUTTON:


*** Security Sandbox Violation ***
SecurityDomain 'http://localhost/www/midiazero/flash/sobre.swf' tried to access incompatible context 'file:///D|/www/midiazero/flash/main.swf'

SHOW THIS ERROR WHEN I EXPORT THE MAIN MOVIE AND CLICK IN BUTTON THAT LOADMOVIE EXTERNAL MOVIE. BUT WHEN I CLICK IN OTHER BUTTON W/ SAME FUNCTION WORK FINE.

THIS IS MY FUNCTION:


    function preload(arq, clip, color) {
        bg.colorTo(color, 2);
        loadMovie(path + arq, clip);
        clipatual.alphaTo(0, 1);
        clipatual = clip;
        //#
        textinfo.tween("_x", 620, 1.5, "easeInQuart");
        textinfo.tween("_y", -377, 1.5, "easeInQuart");
        //#
        onEnterFrame = function() {
            var loadcc:Number = Math.round(clip.getBytesLoaded());
            var totalcc:Number = Math.round(clip.getBytesTotal());
            var percentcc:Number = ((loadcc/totalcc)*100);
            
            if (loadcc < totalcc) {
                loader.startDrag();
                loader.alphaTo(100, 2);
                loader.bar._width = percentcc;
                clip.stop();
                clip.alphaTo(0, 2);
            }
            // trace(int(percentcc));
            if (loadcc == totalcc) {
                loader.stopDrag();
                loader.alphaTo(0, 2);
                clip.start();
                clip.alphaTo(100, 2);
                //#
                delete onEnterFrame;        
            }
        }
    }

AND THIS IS THE CODE FROM EXTERNAL FILE THAT SHOW THE ERROR:


    //path = "http://www.midiazero.com/flash/";
    
    path = "";
    Stage.align = "TL";
    #include "mc_tween2.as"
    //#
    large._alpha = 0;
    large.useHandCursor = false;
    //#
    var xmlMenu:XML = new XML();
    xmlMenu.ignoreWhite = true;
    xmlMenu.load(path + 'data.xml');
    xmlMenu.onLoad = function() {
    var color:Array = ["0x99CC00","0x336666","0xffcc00","0x465E68"];
    var ylocal:Number = 0;
    //#
    qtd = this.childNodes[0].childNodes.length;
        for (i=0; i<qtd; i++) {
            var btn = but.duplicateMovieClip("but"+i, i);
            btn.portnom = this.childNodes[0].childNodes*.childNodes[0].firstChild.nodeValue;
            btn.imagemp = this.childNodes[0].childNodes*.childNodes[1].firstChild.nodeValue;
            btn.portink = this.childNodes[0].childNodes*.childNodes[2].firstChild.nodeValue;
            btn.portinf = this.childNodes[0].childNodes*.childNodes[3].firstChild.nodeValue;
            
            // LOCALIZACAO
            
            btn._x = 10
            btn._y = ylocal*130;
            ylocal ++;
            
            // INFO DO BOTAO
            
            btn.imagem.loadMovie(path+"imagens/" + btn.imagemp);
            btn.texto.text = btn.portnom;
            
            // FUNCAO DO BOTAO
            
            btn.onRollOver = function() {
                this.alphaTo(50, 1);
            };
            
            btn.onRollOut = function() {
                this.alphaTo(100, 1);
            };
            
            btn.onRelease = function() {
                getURL(btn.portink);
            };
            
        };
    };
    //#
    large.onRelease = function() {
        this.alphaTo(0, 1);
    };
    //#
    stop();

ANYONE CAN HELP ME ?