You can’t go wrong with a timely security update.
Late Wednesday, Apple released Security Update 2012-004, the company’s most recent security update for its Mac OS X 10.6.x (Snow Leopard) operating systems.
The update, a 2.36 megabyte download, offers a series of fixes and changes detailed here.
Security Update 2012-004 requires an Intel-based Mac running Mac OS X 10.6.8 or later to install and run.