Apple rolled out its second security update to Mac OS X Snow Leopard, Mac OS X 10.6.2, which puts an end to “hackintoshes” – a PC netbook that’s based on Intel’s Atom processor which has been hacked in order to run Apple’s operating system.

Mac OS X 10.6.2 is meant to enhance the stability, compatibility, and security of your Mac, Apple said. However, the biggest change the update makes may be the one that is greeted with most hostility.
According to numerous user reports, the 473MB update cripples Hackintoshes.”

You may experience unexpected results if you have third-party system software modifications installed, or if you've modified the operating system through other means, Apple warned in a statement.

Netbooks have become increasingly popular with computer users that want a device that is lighter to carry and more continent.

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

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.

Other fixes include arbitrary code execution issues with the AFP client, FAT-formatted drives, Apache Portable Runtime, ATS, CoreGraphics, CoreMedia, Dictionary, Disk Images, Dovecot, FTP Server, Unicode, IOKit, Kernel, and more. The update also addressed potential Denial of Service threats, and escalation of permissions flaws.

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