private void formComponentShown(java.awt.event.ComponentEvent evt) {                                    
    try {
        reader = new BufferedReader(new FileReader("changelog.txt"));
        String input = "";
        while ((input = reader.readLine()) != null) {
            jTextPane1.setText(input);
        }
    } catch (Exception e) {
        JDialog err = new JDialog();
        err.setBackground(new java.awt.Color(255, 255, 255));
        err.setSize(100,100);
                
        JLabel meldung = new JLabel();
        meldung.setFont(new java.awt.Font("Palatino Linotype", 0, 14));
        meldung.setForeground(new java.awt.Color(255, 0, 0));
               
        err.add(meldung);               
        meldung.setText("Fehler!\n\nBitte poste diesen Screenshot im dazugehörigen Forum!\n\n\n" + e.toString());
    }
    }