SEVERE [org.netbeans.core.modules]
java.lang.NoClassDefFoundError: Could not initialize class org.netbeans.modules.uihandler.Installer
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
	at org.openide.util.SharedClassObject.createInstancePrivileged(SharedClassObject.java:641)
	at org.openide.util.SharedClassObject$SetAccessibleAction.run(SharedClassObject.java:1001)
	at org.openide.util.SharedClassObject$SetAccessibleAction.run(SharedClassObject.java:993)
	at java.security.AccessController.doPrivileged(Native Method)
	at org.openide.util.SharedClassObject.findObject(SharedClassObject.java:515)
[catch] at org.netbeans.core.startup.NbInstaller.close(NbInstaller.java:676)
	at org.netbeans.ModuleManager.shutDown(ModuleManager.java:1574)
	at org.netbeans.core.startup.ModuleSystem.shutDown(ModuleSystem.java:291)
	at org.netbeans.core.NbTopManager.doExit(NbTopManager.java:389)
	at org.netbeans.core.NbTopManager.exit(NbTopManager.java:345)
	at org.netbeans.core.NbTopManager$NbLifecycleManager.exit(NbTopManager.java:441)
	at org.netbeans.core.windows.view.ui.MainWindow$3.windowClosing(MainWindow.java:330)
	at java.awt.AWTEventMulticaster.windowClosing(AWTEventMulticaster.java:332)
	at java.awt.AWTEventMulticaster.windowClosing(AWTEventMulticaster.java:332)
	at java.awt.Window.processWindowEvent(Window.java:1816)
	at javax.swing.JFrame.processWindowEvent(JFrame.java:279)
	at java.awt.Window.processEvent(Window.java:1774)
	at java.awt.Component.dispatchEventImpl(Component.java:4410)
	at java.awt.Container.dispatchEventImpl(Container.java:2116)
	at java.awt.Window.dispatchEventImpl(Window.java:2429)
	at java.awt.Component.dispatchEvent(Component.java:4240)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
	at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:104)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:273)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:183)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:173)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:168)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:160)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:121)