org.xml.sax.SAXParseException; lineNumber: 2; columnNumber: 2; The markup in the document following the root element must be well-formed.
	at com.sun.org.apache.xerces.internal.parsers.DOMParser.parse(DOMParser.java:251)
	at com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.parse(DocumentBuilderImpl.java:300)
	at javax.xml.parsers.DocumentBuilder.parse(DocumentBuilder.java:121)
	at org.netbeans.modules.uihandler.ButtonsParser.parse(ButtonsParser.java:114)
	at org.netbeans.modules.uihandler.Installer.parseButtons(Installer.java:1104)
[catch] at org.netbeans.modules.uihandler.Installer$Submit.doShow(Installer.java:1644)
	at org.netbeans.modules.uihandler.Installer.displaySummary(Installer.java:1021)
	at org.netbeans.modules.uihandler.Installer.displaySummary(Installer.java:1030)
	at org.netbeans.modules.uihandler.UIHandler.run(UIHandler.java:195)
	at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1454)
	at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2036)