After many weeks of wondering why 5 updates kept showing up in the Mac App Store on my Macbook Pro I found a solution by chance.

There were 5 updates showing for apps that I have previously installed but no had uninstalled.

If I tried to update the apps as the MAS was suggesting, the updates failed.  The updates would still remain.  I could find no trace of the apps on my Mac until this evening.

I turns out that the apps were there but only as a Time Machine backup.

I had a thought; I unmounted and formatted the external drive that my Macbook uses for TimeMachine backups.  As soon as I did this, the MAS refreshed and the apps were no more.  Strange issue, but it’s fixed.

Rogue Updates in Mac App Store – Solution

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