https://bugs.winehq.org/show_bug.cgi?id=12799
--- Comment #21 from gat gatlinsullivan@yahoo.com --- I renamed ~.wine, re-installed Notepad++ 6.9. I still produce the titlebar with Debian x86_64 with Wine 1.6.2. I still could not take a screenshot of the titlebar with GTK, but I could with GIMP. I might try that when F23 is upgraded to 1.9.6.