This one is Start - Control Panel - System - Advanced - (Performance) Settings - Visual Effects - and it's Show Translucant Selection Rectangle

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"Wesley Vogel" <123WVogel955@comcast.net> wrote in message news:OvpaMM9DGHA.1032@TK2MSFTNGP11.phx.gbl...
> Try this.
>
> Right click Desktop | Properties | Appearance tab | Effects button|
> UNCheck: Show window contents while dragging
>
> Show window contents while dragging
> [[Specifies whether to display window contents as you move or size it. When
> this check box is cleared, you can see only the outline when you move a
> window.]]
>
> --
> Hope this helps. Let us know.
>
> Wes
> MS-MVP Windows Shell/User
>
> In news:Xns973FCCC4139ABzerothishi@195.130.132.70,
> zero <zero@this.hi> hunted and pecked:
>> In Explorer, when dragging the mouse to select multiple files, a blue
>> (though I suppose the colour depends on the desktop settings) rectangle is
>> drawn, stretching and shrinking as the mouse moves. However, this makes
>> my computer very slow. In earlier versions (and still on the desktop)
>> this is just a dotted outline, which is a lot faster. Does someone know
>> how to customize explorer so that it will use the dotted line instead of
>> the blue rectangle?
>>
>> TIA
>> zero
>>
>> --
>> Beware the False Authority Syndrome
>