If this were the case, I would expect to see a different error message. Are you sure the root of your site is set up as an application in IIS? Specifically, the directory that contains the bin directory.

>Okay, the resulting URL, after you enter www.champenois.com is
>http://www.champenois.com/Company/default.aspx
>
>Does the below error make any sense? I think that my ISP doesn't have their IIS server set up to handle the .NET 4.0 Framework yet.
>
>Cecil
>
>Server Error in '/' Application.
>--------------------------------------------------------------------------------
>
>Configuration Error
>Description: An error occurred during the processing of a configuration file required to service this request. Please review the specific error details below and modify your configuration file appropriately.
>
>Parser Error Message: It is an error to use a section registered as allowDefinition='MachineToApplication' beyond application level. This error can be caused by a virtual directory not being configured as an application in IIS.
>
>Source Error:
>
>
>Line 17: < compilation debug="true" targetFramework="4.0" />
>Line 18:
>Line 19: < authentication mode="Forms">
>Line 20: < forms loginUrl="~/Account/Login.aspx" timeout="2880" />
>Line 21: < /authentication>
>
>
>
>Source File: D:\inetpub\champenois\company\web.config Line: 19
>
>Show Additional Configuration Errors:
>
>It is an error to use a section registered as allowDefinition='MachineToApplication' beyond application level. This error can be caused by a virtual directory not being configured as an application in IIS. (D:\inetpub\champenois\company\web.config line 23)
>It is an error to use a section registered as allowDefinition='MachineToApplication' beyond application level. This error can be caused by a virtual directory not being configured as an application in IIS. (D:\inetpub\champenois\company\web.config line 33)
>It is an error to use a section registered as allowDefinition='MachineToApplication' beyond application level. This error can be caused by a virtual directory not being configured as an application in IIS. (D:\inetpub\champenois\company\web.config line 40)
>--------------------------------------------------------------------------------
>
>Version Information: Microsoft .NET Framework Version:2.0.50727.3603; ASP.NET Version:2.0.50727.3614