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Monday, December 20, 2010

Launch Services Database to Speed Up My Mac

The Mac OS X operating system uses the Launch Services Database which keeps track of all applications and what kind of files they can open. Unfortunately, sometimes, these launch services database get out of sync or its cache gets corrupted. This may slow down your processor, adding time to initiate a file or application.
To fix problems like this, you can force launch services to rebuild its database; there are several ways to do this. Many system maintenance tools include tasks for rebuilding the launch service database.
If you want to try it yourself, you can attempt to rebuild the database yourself. Of course you should backup the database first and do your own research. (In other words, reader beware.) To rebuild the database yourself, from Terminal run the following command (needs to be one line):
/System/Library/Frameworks/ApplicationServices.framework/Frameworks/LaunchServices.framework/
Support/lsregister
 -kill -r -domain local -domain system -domain user 
Running this on your machine, could yield a drop in the lsregister dump of up to 20 - 30 percent. Not hard to see that this should probably be a regular maintenance activity, especially for developers.

IMPORTANT Before running the Launch Services Rebuilder, first save any open documents, quit all applications, and log out of all other user accounts on the system.

Visit here to Clean My Mac utility

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