Mountain Lion showing multiple applications?

Discussion in 'Mac Basics and Help' started by jmunto11, Nov 8, 2012.

  1. jmunto11 macrumors newbie

    Nov 25, 2010

    So every time I right click on a file and select 'Open With' I get duplicate applications showing up.

    How do I get rid of them?

  2. GGJstudios macrumors Westmere


    May 16, 2008
    Rebuild the launch services database. Enter the following in Terminal, followed by pressing enter:

    /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/LaunchServices.framework/Versions/A/Support/lsregister -kill -r -domain local -domain system -domain user
    You may need to relaunch Finder by pressing Option while you right-click the Finder icon on the Dock, then selecting "Relaunch".
  3. Alag28 macrumors 6502

    Aug 23, 2006
  4. benwiggy macrumors 68020

    Jun 15, 2012
    Just to add to this: it does seem to be a bug in Mountain Lion that updates to apps can be seen as "new" apps and create duplicates in LaunchServices database.

    Regrettably, there is no fix, other than rebuilding the LS database, but I think that pinpointing the cause of duplication to updates might be useful.

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