Anybody else have an issue in DP4 where if you click the password hint and click outside of it your screen goes grey and won't respond to anything except volume buttons, etc? If I sleep it and wake it, still stuck. Only way to get back to the login screen is to forcefully reboot the Mac.
http://www.youtube.com/watch?v=sAQRnpfJybw
http://www.youtube.com/watch?v=sAQRnpfJybw
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