Hi there
after updating I find I get a message similar to this -- Please wait - Windows is performing some functions -- this happens when I shutdown the computer.

However the process goes on indefinitely (i.e doesn't complete) until I forceably switch off the machine. I've waited over 30 mins just to check that windows could be doing a major update or something so it wasn't me with itchy fingers.

Only happened since upgrade to Pro version 1511 from previous build 10240.