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$Processor.run(RequestProcessor.java:2032)
Caused: org.openide.util.RequestProcessor$SlowItem: task failed due to: java.lang.AssertionError: Need to normalize C:\Program Files\NetBeans Dev 201203271056\.!
   at org.openide.util.RequestProcessor$Task.schedule(RequestProcessor.java:1493)
   at org.netbeans.modules.openide.explorer.ExplorerActionsImpl$ActionStateUpdater.schedule(ExplorerActionsImpl.java:793)
   at org.netbeans.modules.openide.explorer.ExplorerActionsImpl$ActionStateUpdater.propertyChange(ExplorerActionsImpl.java:747)
   at org.openide.util.WeakListenerImpl$PropertyChange.propertyChange(WeakListenerImpl.java:196)
   at java.beans.PropertyChangeSupport.fire(PropertyChangeSupport.java:335)
   at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:327)
   at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:263)
   at org.openide.explorer.ExplorerManager$2.run(ExplorerManager.java:869)
   at org.openide.util.Mutex.doEvent(Mutex.java:1341)
   at org.openide.util.Mutex.readAccess(Mutex.java:348)
   at org.openide.explorer.ExplorerManager.fireInAWT(ExplorerManager.java:866)
   at org.openide.explorer.ExplorerManager$Listener.propertyChange(ExplorerManager.java:946)
   at sun.reflect.GeneratedMethodAccessor25.invoke(GeneratedMethodAccessor25.java:0)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   at java.lang.reflect.Method.invoke(Method.java:601)
   at org.openide.util.WeakListenerImpl$ProxyListener.invoke(WeakListenerImpl.java:457)
   at $Proxy9.propertyChange(.java:0)
   at org.openide.nodes.Node.fireOwnPropertyChange(Node.java:1277)
   at org.openide.nodes.Node.fireCookieChange(Node.java:1250)
   at org.openide.nodes.FilterNode$NodeAdapter.propertyChange(FilterNode.java:1230)
   at org.openide.nodes.FilterNode$NodeAdapter.propertyChange(FilterNode.java:1175)
   at org.openide.nodes.Node.fireOwnPropertyChange(Node.java:1277)
   at org.openide.nodes.Node.fireCookieChange(Node.java:1250)
   at org.openide.nodes.FilterNode$NodeAdapter.propertyChange(FilterNode.java:1230)
   at org.netbeans.modules.project.ui.PhysicalView$ProjectIconNode$1.propertyChange(PhysicalView.java:381)
   at org.openide.nodes.FilterNode$NodeAdapter.propertyChange(FilterNode.java:1175)
   at org.openide.nodes.Node.fireOwnPropertyChange(Node.java:1277)
   at org.openide.nodes.Node.fireCookieChange(Node.java:1250)
   at org.openide.nodes.FilterNode$NodeAdapter.propertyChange(FilterNode.java:1230)
   at org.openide.nodes.FilterNode$NodeAdapter.propertyChange(FilterNode.java:1175)
   at org.openide.nodes.Node.fireOwnPropertyChange(Node.java:1277)
   at org.openide.nodes.Node.fireCookieChange(Node.java:1250)
   at org.openide.loaders.DataNode.access$700(DataNode.java:68)
   at org.openide.loaders.DataNode$4.run(DataNode.java:774)
   at org.openide.util.Mutex.doEvent(Mutex.java:1341)
   at org.openide.util.Mutex.writeAccess(Mutex.java:455)
   at org.openide.loaders.DataNode.fireChange(DataNode.java:750)
   at org.openide.loaders.DataNode$PropL.propertyChange(DataNode.java:894)
   at org.openide.util.WeakListenerImpl$PropertyChange.propertyChange(WeakListenerImpl.java:196)
   at java.beans.PropertyChangeSupport.fire(PropertyChangeSupport.java:335)
   at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:327)
   at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:263)
   at org.openide.loaders.DataObject.firePropertyChange(DataObject.java:947)
   at org.openide.loaders.MultiDataObject.fireCookieChange(MultiDataObject.java:1007)
   at org.openide.loaders.MultiDataObject$ChangeAndBefore.stateChanged(MultiDataObject.java:1438)
   at org.openide.util.ChangeSupport.fireChange(ChangeSupport.java:133)
   at org.openide.util.ChangeSupport.fireChange(ChangeSupport.java:119)
   at org.openide.nodes.CookieSet.fireChangeEvent(CookieSet.java:303)
   at org.openide.nodes.CookieSetLkp.replaceInstances(CookieSetLkp.java:132)
   at org.openide.nodes.CookieSet.assign(CookieSet.java:520)
   at org.openide.loaders.MultiDataObject.updateFilesInCookieSet(MultiDataObject.java:1417)
   at org.openide.loaders.MultiDataObject$ChangeAndBefore.beforeLookup(MultiDataObject.java:1444)
   at org.openide.nodes.CookieSetLkp.beforeLookupImpl(CookieSetLkp.java:146)
   at org.openide.nodes.CookieSet.getCookie(CookieSet.java:173)
   at org.openide.loaders.MultiDataObject.getCookie(MultiDataObject.java:947)
   at org.openide.loaders.DataNode.getCookie(DataNode.java:435)
   at org.openide.loaders.DataFolder$FolderNode.getCookie(DataFolder.java:1274)
   at org.openide.nodes.NodeLookup.addCookie(NodeLookup.java:100)
   at org.openide.nodes.NodeLookup.updateLookupAsCookiesAreChanged(NodeLookup.java:192)
   at org.openide.nodes.NodeLookup.beforeLookup(NodeLookup.java:153)
   at org.openide.util.lookup.AbstractLookup$R.allItems(AbstractLookup.java:1090)
   at org.openide.util.lookup.AbstractLookup$R.allItems(AbstractLookup.java:1085)
   at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.updateLookup(FilterNode.java:2194)
   at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.checkResult(FilterNode.java:2176)
   at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.allItems(FilterNode.java:2252)
   at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.updateLookup(FilterNode.java:2194)
   at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.checkResult(FilterNode.java:2176)
   at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.allItems(FilterNode.java:2252)
   at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.updateLookup(FilterNode.java:2194)
   at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.checkResult(FilterNode.java:2176)
   at org.openide.nodes.FilterNode$FilterLookup$ProxyResult.allInstances(FilterNode.java:2226)
   at org.netbeans.modules.navigator.NavigatorController$PanelLookupWithNodes.setNodes(NavigatorController.java:723)
   at org.netbeans.modules.navigator.NavigatorController.updateActNodesAndTitle(NavigatorController.java:407)
   at org.netbeans.modules.navigator.NavigatorController.access$700(NavigatorController.java:101)
   at org.netbeans.modules.navigator.NavigatorController$PanelLookupListener.run(NavigatorController.java:704)
   at org.netbeans.modules.navigator.NavigatorController$PanelLookupListener.resultChanged(NavigatorController.java:697)
   at org.openide.util.lookup.SimpleProxyLookup.checkLookup(SimpleProxyLookup.java:114)
   at org.openide.util.lookup.SimpleProxyLookup.lookup(SimpleProxyLookup.java:156)
   at org.netbeans.modules.navigator.NavigatorController.updateContext(NavigatorController.java:392)
   at org.netbeans.modules.navigator.NavigatorController.updateContext(NavigatorController.java:281)
   at org.netbeans.modules.navigator.NavigatorController.access$1000(NavigatorController.java:101)
   at org.netbeans.modules.navigator.NavigatorController$ActNodeSetter.run(NavigatorController.java:750)
   at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:251)
   at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:705)
   at java.awt.EventQueue.access$000(EventQueue.java:101)
   at java.awt.EventQueue$3.run(EventQueue.java:666)
   at java.awt.EventQueue$3.run(EventQueue.java:664)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:675)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:158)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:211)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:128)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:117)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:113)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:105)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:90)