Michael, Not sure what you are doing and don't have a solution but i can say that i use modal popups loading from the PopupManger and i do not see this bahavior you are talking about.
I use them quite a bit and have never seen performance issue. Could it be something in your code in the modal windows? I would try in your app to just popup a blank panel control and see if that exhibits the same behavior... --Scott --- In [EMAIL PROTECTED], Michael Imhoff <[EMAIL PROTECTED]> wrote: > > Hi Everyone, > > > > I've noticed that modal windows seem to be extremely processor intensive. > The cpu spikes to 40 or 50 and stays there until the window has been closed. > Has anyone experienced this and/or knows of a workaround? > > > > Have a good day, > > Michael >