Remove Admin Password Screen Fade

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http://crunchbanglinux.org – Is there a way to disable the screen fade which happens when a gui application asks for the users password (i.e. when gksudo is used i believe).For example, when starting synaptic most of the time. I find it annoying, and it doesn't fade cleanly on my system, so i'd prefer just not to have it. But my google-fu is weak. (HowTos)