OK. V5-beta seems to believe I have some anomaly. I get the pop-up window about some 'notification' I need to deal with. Fine. Click on the pop-up window......nothing? The window just goes away. Willing to fix. So where is this 'notification' that I should respond to hidden? I see nothing in any of the top-level screens. Confused. But, still happy! Yes, I have NOT re-booted this machine <cold> since install (052111).