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When I start my IIS Express on my machien using Visual Studio, the first time I load the page with FileUltimate in it, the page loads and then refreshes. After that, I'm good too use the control, even if I refresh the page or come back later, but as soon that the Application Pool restarts, the same problem occurs. The page gets refreshed after first load.
I'm using ASP.NET MVC by the way, if this can make a difference.