/System/Library/Extensions/N-Mon.kext” was installed improperly and cannot be used. Please try reinstalling it, or contact the product’s vendor for an update. ( OK ) Posted by Chimacintosh on October 5, 2010 1 Comment Image via Wikipedia /System/Library/Extensions/N-Mon.kext Turns out it was a Vuze torrent program that needed to be uninstalled. Thanks Dick M. via Apple – Support – Discussions – MacOSXUpdCombo10.6.4 …. Readers who viewed this page, also viewed:Are your external hard drives or usb sticks unmounting?Button Overload Is So Bad I Just Got Rid Of All TheChaka Khan wanted my opinion on GroovesharkSystem/Library/Extensions/…How many iPads can I sync to one library?