How to rebuild the LaunchServices database

Mark Charles Powell wrote: Messages of this nature appearing in the Console. This is from LaunchServices

13/10/2009 22:49:09 /System/Library/Frameworks/CoreServices.framework/Frameworks/LaunchServices.framework/Versions/A/Support/lsregister[5650] FolderManager: Failed looking up user domain root; url='file://localhost/dev/null/' path=/dev/null/ err=-35 uid=501 euid=501 ------------------------------------------------------------

How to rebuild the LaunchServices database
Mon, Jan 5 2004 at 9:27AM PST
Submitted by skyko

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:

/System/Library/Frameworks/ApplicationServices.framework/\
Frameworks/LaunchServices.framework/Support/lsregister \
-kill -r -domain local -domain system -domain user

Just calling lsregister by itself will show some explanation:

lsregister: [OPTIONS] [-domain { system | local | user | network }]... [path]...
Search the paths for application bundles and add each found item to the Launch
Services database. For domain specifications, ask CF for the list of application
locations in the given domain(s).

-kill Reset the global Launch Services database before doing anything else
-lint Print information about plist errors while registering bundles
-convert Register apps found in older LS database files
-load Load the LaunchServices service plugin if it's not already loaded.
-lazy n Sleep for n seconds before registering apps if the local cache
is aleady populated.
-r Recursively register directory contents, do not recurse into
packages or invisible directories.
-R Recursively register directory contents, including the contents
of packages and invisible directories.
-f force-update registration info even if mod date is unchanged
-v Display progress information.
-dump Display full database contents after registration.
-h Display this help.


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