One day my 2012 Mac mini (OS X 10.12) was behaving correctly. The next day I updated some Adobe CC programs (the most recent updates). Then I noticed that after 5 minutes my Mac mini Shows the Desktop - all open windows slide out of the way. The mini is set to Sleep the Display after 15 minutes. The display never goes to sleep. NO updates to any Apple software were applied. I have tried most of the Apple tricks to change the Desktop and Display behavior but nothing works. I have not reset the PRAM or NVRAM yet.
Does anybody have an experience like this? The ONLY change between my mini behaving correctly and incorrectly has been Adobe updates.
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