Fix duplicates in Mac OS X "Open with…" Finder menu
How to fix duplicate application names in the Mac OS X "Open With" Finder menu.
In a Terminal session simply type:
$ cd /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/LaunchServices.framework/Versions/A/Support/ $ ./lsregister -kill -domain local -domain system -domain user
Tip taken from http://www.macgeekery.com/gspot/2007-01/fixing_duplicate_application_names_in_the_open_with_menu
