java.lang.IllegalArgumentException: Attempt to remove nonexistent path [C:\Program Files\Oracle\JavaFX 2.0 SDK\rt\lib\jfxrt.jar;C:\Program Files\Oracle\JavaFX 2.0 SDK\rt\lib\deploy.jar;C:\Program Files\Oracle\JavaFX 2.0 SDK\rt\lib\javaws.jar;C:\Program Files\Oracle\JavaFX 2.0 SDK\rt\lib\plugin.jar] from list of registered paths [[]] for id classpath/boot. All paths: {}
   at org.netbeans.api.java.classpath.GlobalPathRegistry.unregister(GlobalPathRegistry.java:241)
   at org.netbeans.modules.java.j2seproject.J2SEProject$ProjectOpenedHookImpl.projectClosed(J2SEProject.java:705)
   at org.netbeans.spi.project.ui.ProjectOpenedHook$1.projectClosed(ProjectOpenedHook.java:87)
   at org.netbeans.spi.project.ui.support.UILookupMergerSupport$OpenHookImpl.projectClosed(UILookupMergerSupport.java:207)
   at org.netbeans.spi.project.ui.ProjectOpenedHook$1.projectClosed(ProjectOpenedHook.java:87)
   at org.netbeans.modules.project.ui.OpenProjectList.notifyClosed(OpenProjectList.java:1139)
   at org.netbeans.modules.project.ui.OpenProjectList.access$2600(OpenProjectList.java:131)
   at org.netbeans.modules.project.ui.OpenProjectList$8.run(OpenProjectList.java:810)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1424)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1973)