java.lang.AssertionError: Need to normalize C:\Program Files\NetBeans Dev 201203271056\.!
   at org.openide.filesystems.FileUtil.assertNormalized(FileUtil.java:140)
   at org.openide.filesystems.FileUtil.normalizeFile(FileUtil.java:1742)
   at org.openide.loaders.DataFolder$FolderNode.createNodeTransferable(DataFolder.java:1421)
   at org.openide.loaders.DataFolder$FolderNode.createPasteTypes(DataFolder.java:1402)
   at org.openide.nodes.AbstractNode.getPasteTypes(AbstractNode.java:543)
   at org.openide.nodes.FilterNode.getPasteTypes(FilterNode.java:696)
   at org.openide.nodes.FilterNode.getPasteTypes(FilterNode.java:696)
   at org.openide.nodes.FilterNode.getPasteTypes(FilterNode.java:696)
   at org.netbeans.modules.openide.explorer.ExplorerActionsImpl.updatePasteTypes(ExplorerActionsImpl.java:354)
   at org.netbeans.modules.openide.explorer.ExplorerActionsImpl.updatePasteAction(ExplorerActionsImpl.java:340)
   at org.netbeans.modules.openide.explorer.ExplorerActionsImpl.updateActions(ExplorerActionsImpl.java:281)
   at org.netbeans.modules.openide.explorer.ExplorerActionsImpl$ActionStateUpdater.run(ExplorerActionsImpl.java:761)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1452)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2032)