I'm having this problem on 16.04 LTS.
I did not minimise the copy dialog, but it seems that something triggered Kodi to come to the foreground while my TV was switched off overnight, after which I was unable to return to the copy dialog by any of the suggested means.
I'm having this problem on 16.04 LTS.
I did not minimise the copy dialog, but it seems that something triggered Kodi to come to the foreground while my TV was switched off overnight, after which I was unable to return to the copy dialog by any of the suggested means.