February 5, 2008 – 11:03 pm
There is a weird glitch on Mac OS Tiger (and apparently Leopard too) whereby a ghost icon of un-installed apps remain in Finder’s “open with” list. You reach this menu by navigating to Finder > File > Open With. You can also reach a limited context menu version of this list by right-clicking (or Command-clicking) on a file you’d like to open.
This little issue can get pretty annoying if you’ve updated an app a few times, each time trashing the old version and installing the new version. You’ll end up with several versions of the same app in the “open with” list.
Fortunately, there’s an easy fix for Tiger (although there is a side-effect — see below). Here’s what to do:
1. Open up Terminal.
2. Copy the following code (both lines), paste it into Terminal, and press Enter:
/System/Library/Frameworks/ApplicationServices.framework/Frameworks/LaunchServices.framework/Support/lsregister -kill -r -domain local -domain system -domain user
3. Close Terminal. Close all finder windows. The “open with” app list should update shortly (sometimes it seems to take a minute or two).
4. Rinse and repeat when necessary.
As mentioned above, there is a smallish side-effect: your file-type associations will be erased, so you’ll have to reset those.
Alternate method:
There’s also another method recommended by Apple. Some say that this changes other settings as well, and to avoid it. I haven’t tried it myself.
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