How do I troubleshoot "An error has occurred" when trying to update the Kindle app in the Mac App Store?

upgrade mac-appstore error

I'm able to update other apps, but for several days now I get "An error has occurred" when I press the Update button for the Kindle app:

enter image description here

I wonder if the App Store is confused since it's displaying "No Updates Available" above the update for the Kindle app.

I'm running Mac OS X 10.7.1.

How do I get more information on this error? I don't see anything in the Console app related to the App Store.

Update: I turned on the Debug menu, but it wasn't clear how I could use it. (So I turned it back off.) I then deleted the Kindle app, which removed it from the Updates tab. But now I get an error when I try install it again:

enter image description here


If you like XML, you might consider turning on debug mode.

  • Does the Lion App Store have a debug menu?

If not, use spotlight to find/move to trash all kindle apps and partial downloads, reboot and try again.

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