How do I get rid of an unwanted Pop-up-window?
The unwanted Window announcing "App-Updates available" is popping-up in the right-up corner of the screen when I start my MacBook Pro (early 2013), running under OS X 10.8.5. Any helpful suggestion would be welcome.
macgg
MacBook Pro (13-inch Mid 2012), OS X Mountain Lion (10.8.5)