Ok, I realize this is a fairly open-ended question, but
I'm not entirely sure what caused this or how it
happened. My application draws a graph using "image/png"
content on a web page. That is, it draws a .PNG file to
the page. The first time I go to the page within a
single session, everything works fine. Second time,
ASP.NET s up. CPU activity is at 100% and
aspnet_wp.exe is using anywhere from 90% to 99%. This
goes on for several minutes and then the CPU activity
suddenly drops to normal, as long as I've closed the
offending IE ...