Hey, Snow Leopard users, troubled by floating, nebulous installation issues? Apple has a patch for you, one that addresses an issue that prevents certain software from installing. Of course they don’t mention which app(s), but there’s a fix for it.

Apple Software Installer Update 1.0, download
— 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.

See also:
— Apple releases OS X 10.7.3 Supplemental Update
— iMac Graphic FW Update 3.0
— Wi-Fi Update for iMac sleep issue: Time to wake up
— Apple releases 2010 MacBook Air, iMac, MacBook Pro EFI Firmware updates
— Apple offers tweaked OS X 10.7.3, Snow Leopard security updates