@23877 - Main window initialization started @23883 - Timer initialized dT=6 @23884 - Workspaces initialized dT=1 @23955 - Shortcuts initialized dT=71 @23995 - Main window initialized dT=40 Either ending too soon, or no info about caller of unmatched start log. Try running with -J-Dorg.netbeans.log.startup.debug=true java.lang.Error: StartLog mismatch: ending 'TopManager initialization (org.netbeans.core.NonGui.run())' but expecting 'Main window initialization'; rest of stack: [Preparatio n, Creation of TopManager, TopManager initialization (org.netbeans.core.Main.run()), TopManager initialization (org.netbeans.core.NonGui.run())] at org.netbeans.core.perftool.StartLog.logEnd(StartLog.java:88) at org.netbeans.core.NonGui.run(NonGui.java:406) at org.netbeans.core.Main.run(Main.java:268) at org.netbeans.core.NbTopManager.getNbTopManager(NbTopManager.java:231) at org.netbeans.core.NbTopManager.get(NbTopManager.java:190) at org.netbeans.core.Main.start(Main.java:458) at org.netbeans.core.TopThreadGroup.run(TopThreadGroup.java:86) at java.lang.Thread.run(Thread.java:534)