Created attachment 52451 [details]
A screenshot of the dialog (german)
Version: unspecified (using KDE 4.5.2)
Steps to Reproduce:
* click on the window icon in the titlebar
* click on configure windows
On the left the desktop-effects are selected whereas on the right you can see the decoration settings.
Show setting that are selected on the left.
*** This bug has been marked as a duplicate of bug 249706 ***