Each update of the Mac App Store downloads and installs twice

When I hit "update" for an application on the Mac App Store, it downloads, installs and continues to show an update. I hit "update" again, let it download and install once more. Even after waiting a few minutes in between.

It seems that when I click on "update all", apps always download and install both times, but automatically, without having to double click me. It is even clearer that this behavior occurs when one of the applications is open, I get the warning twice as much as the application runs.

This has been going on during some time, perhaps at the time of the update to El Capitan.

None of these applications are installed in several locations on my Mac.

I tried the advice of following Linc on this thread and delete/var/folders/zz/zyxvpxvq6csfxvn_n00000s0000068, but it did not help.

Please test after taking each of the steps that you have not already tried it. Stop when the problem is resolved. Back up all data before making any changes.

1. open a search window by pressing the command-F key combination in the Finder. Select the Mac as the scope of research and the research of the app (s) in question by name. Delete all obsolete or duplicate copies that you find.

2. If the search results appear to be inaccurate, rebuild the Spotlight index. If you try to search now, there will be an indication that the indexing is in progress.

3. triple - click anywhere in the line below on this page to select this option:

~/Library/Containers/com.apple.appstore

A right click or Ctrl-click on the line and select

Services ▹ reveal in Finder (or just to reveal)

of the contextual menu.*, a file must open with a selected item. Quit the application runs. Move selected item to the trash. Restart the application and test.

* If you do not see the item context menu copy the selected text in the Clipboard by pressing Control-C key combination. In the Finder, select

Go ▹ go to the folder...

from the menu bar and paste it into the box that opens by pressing command + V. You won't see what you pasted a newline being included. Press return.

4. If the previous steps do not resolve the problem, leave each app in question and uninstall it by following the instructions on this page. Alternatively, you can drag it into the Applications to the trash and empty folder. You have created the data files will be preserved. In Spotlight, check that there is now no copy of the application on your system. Download your purchase history in the App Store.

Tags: Mac App Store

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