Cocktail 4.2 (Leopard Edition) Posted 10/22/2008 at 2:30 UTC in Mac by gnye@amdesign.net | Permalink | Tweet Cocktail 4.2 (Leopard Edition) adds the ability to search and delete corrupted preference files, adds a searchable database of Mac OS system error codes, adds a list of commonly used network ports, improves the clear log files procedure, fixes a number of minor bugs discovered in the previous release, contains some interface improvements as well as updated Help files and Automator actions.