java.lang.NullPointerException
        at org.netbeans.modules.visualweb.samples.postrel.PostReleaseModuleInstaller.restored(PostReleaseModuleInstaller.java:72)
        at org.netbeans.core.startup.NbInstaller.loadCode(NbInstaller.java:378)
        at org.netbeans.core.startup.NbInstaller.load(NbInstaller.java:297)
        at org.netbeans.ModuleManager.enable(ModuleManager.java:933)
        at org.netbeans.core.startup.ModuleList.installNew(ModuleList.java:405)
        at org.netbeans.core.startup.ModuleList.trigger(ModuleList.java:341)
        at org.netbeans.core.startup.ModuleSystem.restore(ModuleSystem.java:275)
        at org.netbeans.core.startup.Main.getModuleSystem(Main.java:171)
        at org.netbeans.core.startup.Main.start(Main.java:322)
        at org.netbeans.core.startup.TopThreadGroup.run(TopThreadGroup.java:110)
        at java.lang.Thread.run(Thread.java:595)