Java.lang.NullPointerException Myst Uru

Bonjour,

Voilà, je n'arrive pas à installer ce jeux "Myst Uru Ages Beyond Myst" car après le début du setup j'obtiens le message ci-dessous.

Quelqu'un serait il capable de trouver la solution à cette énigme:

java.lang.NullPointerException

at java.util.Hashtable.get(Unknown Source)

at javax.swing.UIDefaults.get(Unknown Source)

at javax.swing.MultiUIDefaults.get(Unknown Source)

at javax.swing.UIDefaults.getUIClass(Unknown Source)

at javax.swing.UIDefaults.getUI(Unknown Source)

at javax.swing.UIManager.getUI(Unknown Source)

at javax.swing.JPanel.updateUI(Unknown Source)

at javax.swing.JPanel.<init>(Unknown Source)

at javax.swing.JPanel.<init>(Unknown Source)

at javax.swing.JRootPane.createGlassPane(Unknown Source)

at javax.swing.JRootPane.<init>(Unknown Source)

at javax.swing.JFrame.createRootPane(Unknown Source)

at javax.swing.JFrame.frameInit(Unknown Source)

at javax.swing.JFrame.<init>(Unknown Source)

at com.zerog.ia.installer.Main.d(DashoA8113, Compiled Code)

at com.zerog.ia.installer.Main.a(DashoA8113)

at com.zerog.ia.installer.Main.main(DashoA8113)

at java.lang.reflect.Method.invoke(Native Method)

at com.zerog.lax.LAX.launch(DashoA8113, Compiled Code)

at com.zerog.lax.LAX.main(DashoA8113)

Configuration: Windows XP
Firefox 2.0