Apple released on Tuesday a Mac OS X 10.6.2 update which fixes 58 bugs including a bug which has been deleting user data from their Macs.

The Mac OS X 10.6.2 update fixes the Guest Account bug would delete user data when the user logged in and out of the same account.

Apple's new security update is the sixth so far from the company this year, and the second that included patches for Snow Leopard which was launched in August.

Apple said the new Mac OS X 10.6.2 brings general operating system fixes including a number of core Apple applications which include; iWork, Ilife, Aperture and Final Cut Studio and QuickTime media player.

The 473MB update also disables support for Intel Atom processor which means that hackint0sh on netbooks will not work, reported OSXDaily.

The update is available via Software update in Mac OS X 10.6.0 or higher and alternatively can be downloaded from the Apple support site.

Click here to download the security update from the official Apple site or download it via Software Update.