If your "Open With" menu shows applications that are no longer installed, or shows some of them as duplicates, you can use the following Terminal command to rebuild your LaunchServices database:
Código:
/System/Library/Frameworks/ApplicationServices.framework/\Frameworks/LaunchServices.framework/Support/lsregister \-kill -r -domain local -domain system -domain user
just copy and paste into terminal and let it run
Or if you just want to shorten the Open With... then maybe this will help:
http://www.macosxhints.com/article.p...ery=info.plist