It's not unheard-of for apps to store "emergency" copies of themselves and 
other utilities there, and unless they provide their own uninstallers (and you 
use them), those hidden bits tend to stick around.

I ran into a related sort of misbehavior with a client who had an external 
attached with other versions of macOS on it, and the App Store was doing crazy 
things to his Applications library until I persuaded him to exclude that drive 
from Spotlight.

> On Jun 25, 2020, at 12:33 AM, Chris Walker <[email protected]> wrote:
> 
> I thought I had that covered by checking in both Applications and Utilities 
> as well as the user Applications folder.  Nothing showed up.
> 
> However doing what you suggested I found some rogue copies fairly easily and 
> deleted them.
> 
> The others took more finding until I found multiple copies hiding in the 
> Application Support folder.  How they got there I have absolutely no idea. 
> It’s not somewhere I would put them either temporarily or otherwise.  
> 
> I suppose it could be rogue installers, one reason I prefer .dmg  as you know 
> more or less what you are doing.  Increasingly ‘installer’ packages tend to 
> follow the Microsoft model of putting stuff in the nooks and crannies of the 
> OS without bothering to tell you.
> 
> Still all is now well.
> 
> Thanks for the help.
> 
> Chris
> 
>> On 25 Jun 2020, at 02:31, Macs R We <[email protected]> wrote:
>> 
>> Do the duplicate apps actually exist somewhere? That is, if you choose 
>> 2.5.6, then go to the Dock and do a Show in Finder, does it actually show 
>> that app hiding somewhere?
>> 
>> If so, just delete it.
>> 
>> If not, try reindexing your Spotlight index.
>> 
>>> On Jun 23, 2020, at 12:59 AM, Chris Walker <[email protected]> wrote:
>>> 
>>> Hi:
>>> 
>>> For some reason the "open with…” menu has several  items which are new 
>>> versions of the same app.
>>> 
>>> Eg Open with:
>>> 
>>> PDF Expert( 2.5.6)
>>> PDF Expert( 2.5.7)
>>> PDF Expert( 2.5.8)
>>> 
>>> There’s a couple of others in the same vein, but you get the idea.
>>> 
>>> I’ve tried deleting:   ~/library/preferences/com.apple.LaunchServices.prefs 
>>>  but this is 
>>> 
>>> replaced on restart with one labelled:   
>>> com.apple.LaunchServices.QuarantineEventsV2
>>> 
>>> There is also a folder: com.apple.LaunchServices  which contains:  
>>> com.apple.launchservices.secure.plist    Opening this with BBEdit shows 
>>> only a single pdfexpert with no version numbers and similarly for the 
>>> others.
>>> 
>>> `I’ve also tried rebuilding the launch services database which doesn’t 
>>> solve the problem.
>>> 
>>> Can someone tell me how I can remove what are effectively duplicates, from 
>>> the menu.
>>> 
>>> Chris Walker
>>> 
>>> Catalina 10.15.5
>>> 
>>> 
>>> _______________________________________________
>>> MacOSX-talk mailing list
>>> [email protected]
>>> https://www.omnigroup.com/mailman/listinfo/macosx-talk
>> 
> 

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