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chenks

macrumors 65816
Original poster
how do i remove duplicate entries from the "open with" menu?

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Enter Terminal, and copy + paste this;

Code:
/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 reboot for the changes to take effect.
 
I think this issue has severely exacerbated since 10.8.2. Every time I update an app in the App Store it starts duplicating the apps. It's happening on ALL my 10.8 machines.
 
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