Running Mountain Lion I get a notification at the top right of the screen every time an App update is available. There are two buttons Update and Details but no Dismiss, "Go Away", or Cancel. I've got dozens of Apps on my laptop and don't want to update every time I get a notification. I figured out that a two finger swipe on the notification sends it off the screen (thanks Apple really obvious that one!). The problem is that fifteen minutes later it's back again!
Is there any way of disabling App Store notifications without disabling all notifications? I can't see one.