/usr/share/kde4/apps/kconf_update/kwin_update_411.upd is in kde-window-manager-common 4:4.11.8-0ubuntu6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | Id=Kwin-4.11_0
Script=kwin_update_settings_411
|