>>Hi Hilmar,
>>That sounds like my problem. I can't find anything about it in Windows. Any chance you know precisely where it is?
>
>I am sittin in front of Windows 2000. Here, it is:
>
>Control Panel; Display; tab "Effects"; option "Show window contents while dragging".
>
>I think this is it.

Thanks, took me a while to find it. There's another select between "Display" and "Effects" in Windows XP. But that was my problem.