Lobo Browser 怎么老报错?报错

求大牛解答，我在网上下了个Lobo Browser 的安装包，可是安装之后，连直接运行他的程序也报错。错误信息如下。我在安装的时候在那两条进度条跑完之后还有一个NEXT，但是怎么都点不了下一步，不知道是否有关系。

ÁùÔÂ 07, 2014 8:39:56 ÏÂÎç org.lobobrowser.primary.ext.ExtensionImpl showError
¾¯¸æ: showError(): An error occurred trying to process document http://lobobrowser.org/browser/home.jsp
java.lang.IncompatibleClassChangeError: Found interface sun.font.FontManager, but class was expected
 at org.lobobrowser.util.gui.FontFactory.createFont(FontFactory.java:210)
 at org.lobobrowser.util.gui.FontFactory.createFont_Impl(FontFactory.java:180)
 at org.lobobrowser.util.gui.FontFactory.createFont(FontFactory.java:127)
 at org.lobobrowser.util.gui.FontFactory.getFont(FontFactory.java:98)
 at org.lobobrowser.html.style.StyleSheetRenderState.<clinit>(StyleSheetRenderState.java:43)
 at org.lobobrowser.html.domimpl.NodeImpl.<clinit>(NodeImpl.java:39)
 at org.lobobrowser.html.parser.DocumentBuilderImpl.createDocument(DocumentBuilderImpl.java:143)
 at org.lobobrowser.primary.clientlets.html.HtmlClientlet.processImpl(HtmlClientlet.java:150)
 at org.lobobrowser.primary.clientlets.html.HtmlClientlet.process(HtmlClientlet.java:79)
 at org.lobobrowser.request.ClientletRequestHandler.processResponse(ClientletRequestHandler.java:115)
 at org.lobobrowser.request.RequestEngine.processHandler(RequestEngine.java:856)
 at org.lobobrowser.request.RequestEngine.access$1(RequestEngine.java:713)
 at org.lobobrowser.request.RequestEngine$RequestHandlerTask$1.run(RequestEngine.java:1026)
 at java.security.AccessController.doPrivileged(Native Method)
 at org.lobobrowser.request.RequestEngine$RequestHandlerTask.run(RequestEngine.java:1033)
 at org.lobobrowser.util.SimpleThreadPool$ThreadRunnable.run(SimpleThreadPool.java:127)
 at java.lang.Thread.run(Unknown Source)

Exception in thread "AWT-EventQueue-0" java.lang.NoClassDefFoundError: Could not initialize class org.lobobrowser.html.domimpl.HTMLDocumentImpl
 at org.lobobrowser.html.parser.DocumentBuilderImpl.createDocument(DocumentBuilderImpl.java:143)
 at org.lobobrowser.html.parser.DocumentBuilderImpl.parse(DocumentBuilderImpl.java:97)
 at org.lobobrowser.html.gui.HtmlPanel.setHtml(HtmlPanel.java:414)
 at org.lobobrowser.primary.ext.ExtensionImpl.getErrorComponent(ExtensionImpl.java:95)
 at org.lobobrowser.primary.ext.ExtensionImpl.showError(ExtensionImpl.java:87)
 at org.lobobrowser.primary.ext.ExtensionImpl$1.errorOcurred(ExtensionImpl.java:49)
 at org.lobobrowser.main.Extension$NavigatorErrorEventDispatch.dispatchEvent(Extension.java:532)
 at org.lobobrowser.util.EventDispatch2.fireEvent(EventDispatch2.java:71)
 at org.lobobrowser.main.Extension.handleError(Extension.java:318)
 at org.lobobrowser.main.ExtensionManager$3.run(ExtensionManager.java:304)
 at java.awt.event.InvocationEvent.dispatch(Unknown Source)
 at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
 at java.awt.EventQueue.access$000(Unknown Source)
 at java.awt.EventQueue$3.run(Unknown Source)
 at java.awt.EventQueue$3.run(Unknown Source)
 at java.security.AccessController.doPrivileged(Native Method)
 at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
 at java.awt.EventQueue.dispatchEvent(Unknown Source)
 at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
 at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
 at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
 at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
 at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
 at java.awt.EventDispatchThread.run(Unknown Source)
ÁùÔÂ 07, 2014 8:40:10 ÏÂÎç org.lobobrowser.store.CacheManager run
ÑÏÖØ: run()
java.lang.NullPointerException
 at org.lobobrowser.store.CacheManager.populateCacheStoreInfo(CacheManager.java:283)
 at org.lobobrowser.store.CacheManager.getCacheStoreInfo(CacheManager.java:277)
 at org.lobobrowser.store.CacheManager.sweepCache(CacheManager.java:237)
 at org.lobobrowser.store.CacheManager.run(CacheManager.java:219)
 at java.lang.Thread.run(Unknown Source)