I'm getting an exception under very specific circumstances when I call Membership.CreateUser from my ASP.NET application. I am using .NET 3.5 with Visual Studio 2008.
The conditions are: The very first time I call Membership.CreateUser after launching the website from within Visual Studio (Start Debugging). After getting this error once, submitting the form again will result in Membership.CreateUser working properly.
If I close out or Internet Explorer, it leaves the "ASP.NET Development Service" icon in the systray. If I run my application again while that systray icon is still there, then Membership.CreateUser works properly. If I right-click that systray icon, and "Stop" it, then I'll get the exception the next time I run the application and call Membership.CreateUser.
It's worth mentioning, perhaps, that if I launch the application, then immediately open the website in firefox, the problem does not occur. It's on ...
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