For various reasons -- including user interruption as described in this article-- components of Mac OS X can be "stepped on" (erased or otherwise damaged) during the incremental update process (e.g.
Apple on Wednesday began widespread testing of Mac OS X 10.6.3, the third planned maintenance and security update to its Snow Leopard operating system, early betas of which already includes bug fixes ...
Apple this week is equipping developers with a new beta of Mac OS X 10.6.2, the second maintenance and security update to the company's new Snow Leopard operating system that will perform upgrades to ...