runtime.getruntime() crash

[ayahnabunda]

I'm trying to execute external exe which is plwin.exe which is prolog. but it crash right out of the bat. can you help me with this guys?

this is the code

  public PrologGuiTopComponent() throws IOException {
        initComponents();
        setName(NbBundle.getMessage(PrologGuiTopComponent.class, "CTL_PrologGuiTopComponent"));
        setToolTipText(NbBundle.getMessage(PrologGuiTopComponent.class, "HINT_PrologGuiTopComponent"));
//        setIcon(ImageUtilities.loadImage(ICON_PATH, true));
        String temp = "C:/Program Files (x86)/pl/bin/plwin.exe";
     
        
        try{
        p = r.exec(temp);
       // p = Runtime.getRuntime().exec("C:/Program Files (x86)/pl/bin/plwin.exe");
        p.waitFor();
        p.destroy();
        }catch(Exception e)
        {
             System.out.println("error executing ");
        }