Change "please wait..." and short video

[wixfigura]

Hi - I want to change or delete the " please wait...!" screen ( this is what the german version writes on the screen ), with this ntoskrnl background, and the short video after this. The video is shown just before the logon- screen. I´ve finished all my multiboot/ personal windows and all works fine, but these two screens are left original microsoft. In the german forums, nobody has any idea in which dll or exe these things are, perhaps here somebody can help me?

bye, wixfigur

Ahh - by the way, OS is Win XP pro SP2