Program icons added to the dock after closure

gogreen1

macrumors regular
Original poster
Nov 20, 2017
233
12
This problem is new. After I exit an app, its icon stays in the dock on the right side. I then need to right-click it and manually remove it from the dock. I didn't have to do this before, so I'm guessing I missed a setting somewhere. What did I miss so that program icons are not added to the dock this way? Thanks. Screen Shot 2018-09-28 at 9.20.32 PM.png
 
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