Before i format my computer, yEd was installed well..
	but After i format my computer..
	yEd can't be install and create an error.log in my desktop..
	anyone can help me to solve this problem?
	 
	this is content of the error.log
	 
	 
	java.lang.NullPointerException
	at com.sun.java.swing.plaf.windows.XPStyle.getTypeEnumName(Unknown Source)
	at com.sun.java.swing.plaf.windows.XPStyle.getBorder(Unknown Source)
	at com.sun.java.swing.plaf.windows.WindowsLookAndFeel$XPBorderValue.getXPValue(Unknown Source)
	at com.sun.java.swing.plaf.windows.WindowsLookAndFeel$XPValue.createValue(Unknown Source)
	at javax.swing.UIDefaults.getFromHashtable(Unknown Source)
	at javax.swing.UIDefaults.get(Unknown Source)
	at javax.swing.MultiUIDefaults.get(Unknown Source)
	at javax.swing.UIDefaults.getBorder(Unknown Source)
	at javax.swing.UIManager.getBorder(Unknown Source)
	at javax.swing.border.TitledBorder.getBorder(Unknown Source)
	at javax.swing.border.TitledBorder.getBorderInsets(Unknown Source)
	at javax.swing.border.TitledBorder.getBorderInsets(Unknown Source)
	at javax.swing.border.CompoundBorder.getBorderInsets(Unknown Source)
	at javax.swing.border.CompoundBorder.getBorderInsets(Unknown Source)
	at javax.swing.JComponent.getInsets(Unknown Source)
	at java.awt.GridBagLayout.GetMinSize(Unknown Source)
	at java.awt.GridBagLayout.getMinSize(Unknown Source)
	at java.awt.GridBagLayout.preferredLayoutSize(Unknown Source)
	at java.awt.Container.preferredSize(Unknown Source)
	at java.awt.Container.getPreferredSize(Unknown Source)
	at javax.swing.JComponent.getPreferredSize(Unknown Source)
	at java.awt.GridBagLayout.GetLayoutInfo(Unknown Source)
	at java.awt.GridBagLayout.getLayoutInfo(Unknown Source)
	at java.awt.GridBagLayout.preferredLayoutSize(Unknown Source)
	at java.awt.Container.preferredSize(Unknown Source)
	at java.awt.Container.getPreferredSize(Unknown Source)
	at javax.swing.JComponent.getPreferredSize(Unknown Source)
	at java.awt.GridBagLayout.GetLayoutInfo(Unknown Source)
	at java.awt.GridBagLayout.getLayoutInfo(Unknown Source)
	at java.awt.GridBagLayout.preferredLayoutSize(Unknown Source)
	at java.awt.Container.preferredSize(Unknown Source)
	at java.awt.Container.getPreferredSize(Unknown Source)
	at javax.swing.JComponent.getPreferredSize(Unknown Source)
	at java.awt.GridBagLayout.GetLayoutInfo(Unknown Source)
	at java.awt.GridBagLayout.getLayoutInfo(Unknown Source)
	at java.awt.GridBagLayout.ArrangeGrid(Unknown Source)
	at java.awt.GridBagLayout.arrangeGrid(Unknown Source)
	at java.awt.GridBagLayout.layoutContainer(Unknown Source)
	at java.awt.Container.layout(Unknown Source)
	at java.awt.Container.doLayout(Unknown Source)
	at java.awt.Container.validateTree(Unknown Source)
	at java.awt.Container.validateTree(Unknown Source)
	at java.awt.Container.validateTree(Unknown Source)
	at java.awt.Container.validateTree(Unknown Source)
	at java.awt.Container.validateTree(Unknown Source)
	at java.awt.Container.validateTree(Unknown Source)
	at java.awt.Container.validateTree(Unknown Source)
	at java.awt.Container.validateTree(Unknown Source)
	at java.awt.Container.validate(Unknown Source)
	at java.awt.Window.dispatchEventImpl(Unknown Source)
	at java.awt.Component.dispatchEvent(Unknown Source)
	at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
	at java.awt.EventQueue.access$000(Unknown Source)
	at java.awt.EventQueue$1.run(Unknown Source)
	at java.awt.EventQueue$1.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.AccessControlContext$1.doIntersectionPrivilege(Unknown Source)
	at java.security.AccessControlContext$1.doIntersectionPrivilege(Unknown Source)
	at java.awt.EventQueue$2.run(Unknown Source)
	at java.awt.EventQueue$2.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.security.AccessControlContext$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)