at java.io.File.delete(File.java:871)
      at org.netbeans.modules.editor.options.BaseOptions$1.delete(BaseOptions.java:267)
      at org.netbeans.modules.editor.options.BaseOptions$1.fileChanged(BaseOptions.java:277)
      at org.openide.filesystems.FCLSupport.dispatchEvent(FCLSupport.java:75)
      at org.openide.filesystems.FileObject$ED.dispatch(FileObject.java:764)
      at org.openide.filesystems.EventControl.invokeDispatchers(EventControl.java:160)
      at org.openide.filesystems.EventControl.exitAtomicAction(EventControl.java:138)
      at org.openide.filesystems.EventControl.runAtomicAction(EventControl.java:91)
      at org.openide.filesystems.FileSystem.runAtomicAction(FileSystem.java:432)
      at org.netbeans.modules.settings.convertors.SerialDataConvertor$SaveSupport.writeDown(SerialDataConvertor.java:771)
      at org.netbeans.modules.settings.convertors.SerialDataConvertor$SaveSupport.access$200(SerialDataConvertor.java:450)
      at org.netbeans.modules.settings.convertors.SerialDataConvertor.run(SerialDataConvertor.java:277)
      at org.netbeans.modules.settings.ScheduledRequest.performRequest(ScheduledRequest.java:172)
      at org.netbeans.modules.settings.ScheduledRequest.run(ScheduledRequest.java:146)
      at org.openide.util.Task.run(Task.java:136)
      at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:330)
      at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:686)