java.io.IOException: Cannot delete file processPsiBlast in E:/Work/KnowledgeBase.
   at org.netbeans.modules.project.uiapi.DefaultProjectOperationsImplementation$4$1.run(DefaultProjectOperationsImplementation.java:369)
   at org.openide.filesystems.EventControl.runAtomicAction(EventControl.java:122)
   at org.openide.filesystems.FileSystem.runAtomicAction(FileSystem.java:539)
   at org.netbeans.modules.project.uiapi.DefaultProjectOperationsImplementation$4.execute(DefaultProjectOperationsImplementation.java:364)
   at org.netbeans.modules.project.uiapi.DefaultProjectOperationsImplementation$6$1.run(DefaultProjectOperationsImplementation.java:670)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:602)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1084)