The separate Security Update 2012-001 download for Snow Leopard users is breaking apps that depend on Rosetta, according to complaints. Rosetta allows PowerPC-based apps to operate within Snow Leopard. Programs such as Eudora 6, Acrobat Pro 7, Quicken 2007, and Office 2004 will reportedly crash, freeze, or exhibit other unexpected behavior, such as failing to print documents.
