id summary reporter owner description type status component version resolution keywords cc guest host 12241 VirtualBoxVM Application can't quit => fixed in SVN i.maravic "On the Mac Pro Retina, with the MacOSx Maverics, VirtualBoxVM Application just keeps hanging and can't quit. It worked normally on the previous Mac OSx. This happens when I send the shutdown signal to the guest OS. Guest OS terminates cleanly, VirtualBoxVM process closes nicely, but the icon keeps hanging in the dock. I've tried to Force Quit it, but it refuses to do that. Since it can't be closed I can't shutdown my Mac, so I need to do forced shutdown. When I looked system.log, I only found this suspicious lines concerning the VirtualBoxVM: Oct 23 21:59:26 Igors-MacBook-Pro.local VirtualBoxVM[840]: IOHIDDeviceRegisterInputValueCallback called with a null context This was printed when the guest machine was started and when it was shutting down. I've attached screen shots" defect closed guest control VirtualBox 4.3.0 obsolete Linux Mac OS X