I have just installed ASP.NET 1.1. OS is XP with SP 2. IIS is 7.0. I have installed IIS but I couldn't browse it says the following error " This error (HTTP 500 Internal Server Error) means that the website you are visiting had a server problem which prevented the webpage from displaying." when I tried to create web application or web service it gives the following error, "The web server reported the following error when attempting to create or open web project located at the following URL http://localhost/WebService1 'HTTP/1.1 500 Server Error'" can anybody help me Thanks