I have a MacBook Air with OS X EL Capitan 10.11.6, when I use an app like Safari or email and so on, in fullscreen mode the app work very well. But when I close the app and restart the mac I see this: enter image description here


enter image description here

Thank you for your help.


I read this and it seems to be a problem occurring when CMD+Q is brutally pushed to close a not Apple App.

Substantially, I suppose it should be a bug of the program that you are closing and so – maybe – you have to wait a bug fix update from the developer of the App in question.

You must log in to answer this question.

Not the answer you're looking for? Browse other questions tagged .