kde-4.5.3 seems really rough.

[Kevin Kofler]

Garry Williams wrote:
> Check System Settings -> Window Behavior -> Screen Edges .
> 
> I seem to remember that the "Maximize windows by dragging them to the
> top of the screen" check box under Window Management got checked after
> some update.

That was 4.4, where this "feature" was introduced. (As you can guess from 
the quotes, I don't like it either. ;-) )

        Kevin Kofler