关于NetBeans

大哥啊 我下了个绿色版的 运行后出现

java.lang.NullPointerException
at java.awt.Dimension.<init>(Dimension.java:91)
at javax.swing.plaf.basic.BasicProgressBarUI.getPreferredSize(BasicProgressBarUI.java:757)
at javax.swing.JComponent.getPreferredSize(JComponent.java:1615)
at org.netbeans.progress.module.ui.NbProgressBar.getPreferredSize(NbProgressBar.java:61)
at org.netbeans.progress.module.ui.StatusLineComponent.<init>(StatusLineComponent.java:101)
at org.netbeans.progress.module.Controller.getDefault(Controller.java:75)
at org.netbeans.progress.module.ProgressVisualizerProvider.getStatusLineElement(ProgressVisualizerProvider.java:36)
at org.netbeans.core.windows.view.ui.MainWindow.getStatusLineElements(MainWindow.java:253)
at org.netbeans.core.windows.view.ui.MainWindow.decoratePanel(MainWindow.java:227)
at org.netbeans.core.windows.view.ui.MainWindow.initializeComponents(MainWindow.java:182)
at org.netbeans.core.windows.view.DefaultView.showWindowSystem(DefaultView.java:506)
at org.netbeans.core.windows.view.DefaultView.windowSystemVisibilityChanged(DefaultView.java:485)
at org.netbeans.core.windows.view.DefaultView.changeGUI(DefaultView.java:169)
at org.netbeans.core.windows.ViewRequestor.dispatchRequest(ViewRequestor.java:244)
at org.netbeans.core.windows.ViewRequestor.processVisibilityRequest(ViewRequestor.java:233)
at org.netbeans.core.windows.ViewRequestor.postVisibilityRequest(ViewRequestor.java:170)
at org.netbeans.core.windows.ViewRequestor.scheduleRequest(ViewRequestor.java:91)
at org.netbeans.core.windows.Central.setVisible(Central.java:80)
at org.netbeans.core.windows.WindowManagerImpl.setVisible(WindowManagerImpl.java:716)
at org.netbeans.core.windows.WindowSystemImpl.show(WindowSystemImpl.java:62)
[catch] at org.netbeans.core.NonGui$3.run(NonGui.java:229)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:461)
at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:242)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:163)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:157)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:149)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)

提示这个异常 然后关闭程序 是不是JDK问题啊 ?
我机器做过美化 改过很多系统文件 是不是这个原因哦?