Handler “ExtensionlessUrlHandler-Integrated-4.0” has a bad module “ManagedPipelineHandler” in its module list

Try to re-register ASP.NET with aspnet_regiis -i. It worked for me.

A likely path for .NET 4 (from elevated command prompt):

c:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe -i

http://forums.iis.net/p/1190643/2026401.aspx

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