Apple today released Apple Software Installer Update 1.0, a small update intended to address an issue that could prevent Apple software from installing under Mac OS X 10.6.8.About Apple Software Installer Update 1.0
This update addresses an issue that may prevent certain Apple software from installing. This update is recommended for all users running Mac OS X 10.6.8.Apple does not, however, specify exactly what the issue is or what Apple software is affected by it. The release weighs in at 1.34 MB and requires Mac OS X 10.6.8.
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Apple Releases Software Installer Update 1.0 for Mac OS X 10.6.8 [Mac Blog]
Eric Slivka – macrumors.com