Hi all,

i'm a beginner in java and i have a problem:
i create an applet with a nice picture and a button. All works well when i compile and execute the appletviewer.
But once i click on the button i have a lot of error messages like:
Exception in thread "AWT-EventQueue-1" java.security.AccessControlException: access denied (java.lang.RuntimePermission exitVM)
at java.security.AccessControlContext.checkPermission(AccessControlContext.java:264)
at java.security.AccessController.checkPermission(AccessController.java:427)
at java.lang.SecurityManager.checkPermission(SecurityManager.java:532)
at java.lang.SecurityManager.checkExit(SecurityManager.java:744)
at java.lang.Runtime.exit(Runtime.java:88)
....

Would someone have one idea about ? Thanks very much.
i give you my simple code:
import java.awt.*;
import java.applet.*;
import java.awt.event.*;

public class Fenetre extends Applet implements ActionListener {

public final static int HT= 300;
public final static int LG = 300;

public void init(){

Dessin D;
setSize(LG,HT);
setBackground(Color.gray);
setLayout(new BorderLayout());
// addWindowListener(new GestionBoutons());
add(D = new Dessin(), "Center");
Button bQuitter = new Button ("Quitter");
bQuitter.addActionListener(this);
add(bQuitter,"South");
}
public void actionPerformed(ActionEvent evt) {

System.exit(0);
}
}