Application restarting
 

StoreFront users may sometimes encounter the following error or a very similar error when trying to view their web stores' ASP pages.

HTTP 500-12 Application Restarting

There is a very thorough article in the Microsoft Knowledge Base that describes the cause of this IIS error and how to resolve it.

http://support.microsoft.com/default.aspx?scid=kb;en-us;Q312592