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Question: Mystery Window Exposé...d

Hello,

Using mission control to show all open windows, a mystery window slides out from the side of the desktop. It says "Devices" in the upper left corner and also says "Select camera or Scanner" across the title bar at the top. I can't select it, nor close it, nor find out from where it came. I've quit all programs, Restarted, Relaunched Finder and looked at the Force Quit window for any stray programs that might still be open. Nada. Any clue as to what is going on?

iMac 5k, late 2015, High Sierra, 10.13.3


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iMac with Retina 5K display, iOS 10.3.3

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Mar 13, 2018 11:35 AM in response to Michael Mcdonald In response to Michael Mcdonald

Hi there, Michael Mcdonald!
Thanks for reaching out to the Apple Support Communities! It sounds like you are having an issue a window showing to select a camera or scanner and I am happy to help out! You’ve tried excellent steps restarting, quitting all programs, and relaunching Finder removing and adding the account back to your Mail and next, take a look at this article with steps to follow to Use safe mode to isolate issues with your Mac. This will perform check and stop certain software from starting up automatically.
Also, check out this article with step for How to test an issue in another user account on your Macto create a new user and test the issue in the new account to see if the issue is user specific or system wide.
Let me know the results and have a great day!

Mar 13, 2018 11:35 AM

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Question: Mystery Window Exposé...d