Maintain (http://maintain.se/cocktail) has released Cocktail 6.3.1 (Mountain Lion Edition), the latest maintenance update for users running OS X Mountain Lion 10.8.

Cocktail is a general purpose utility for OS X that lets users clean, repair and optimize their Mac. This version fixes a problem where Cocktail could not change Time Machine backup interval and addresses an issue in which Cocktail failed to restart or shutdown the computer.

Cocktail 6.3.1 (Mountain Lion Edition) requires Mountain Lion or Mountain Lion Server. It costs US$14 for a single user license.