My machine (Intel i5; 8 gb ram, 64-bit) has recently been hanging up at what seem to be random moments: the cursot stops moving, turns into an hour glass. Sometimes it can be moved, sometimes not. But nothing happens for anywhere from 10 seconds to a minute or more. Then all's well again. Very aggravating. It just happened again, but this time the cursor stayed in arrow form and could be moved, but clicking did nothing. This in real time! I tried to write in cortana, to find out when the last upgrade occurred. Full stop. Since waiting 2 minutes, I tried again, and the latest upgrade to win10 was 8/4/16.