Hi
We can help you in fixing this issue asap as we have more that 10 years of experience in Developing and hosting the the application on ISS using Visual Studio.
We have a team of developers having experience ranging from 1 to 12 years in Microsoft.Net based Technologies.
Highlights of our expertise are : Web and Windows development using ASP.Net, MVC, C#, WPF, WCF, SQL server, WebAPI, JQuery, Bootstrap, XML etc.
Please contact us in a chat and we can discuss the details.
Thanks