HTTP Error 404.0 - Not Found

I built web sites using VS 2008 and VS 2010.  VS 2012 is different.
I started a new website named StockProNew.  An About page was automatically created.
The app compiled and ran.

Then I renamed About.aspx to AboutUs.aspx and viewed it in the browser. The page displayed properly.  The app compiled and ran until I clicked on the link to the AboutUs page.

<ul>
            <li><a runat="server" href="~/">Home</a></li>
            <li><a runat="server" href="~/AboutUs">AboutUs</a></li>
            <li><a runat="server" href="~/Contact">Contact</a></li>
        </ul>

Error:
The resource you are looking for has been removed, had its name changed, or is temporarily unavailable.

Most likely causes:
•The directory or file specified does not exist on the Web server.


Module
   IIS Web Core

Notification
   MapRequestHandler

Handler
   StaticFile

Error Code
   0x80070002


Requested URL
   http://localhost:56720/About

Physical Path
   c:\users\dovberman\documents\visual studio 2012\Projects\StockProNew\StockProNew\About

AboutUs.aspx does exist as expected. About.aspx does not exist as expected.

Why is the app still looking for About.aspx?

http://localhost:56720/AboutUs.aspx displays the page.

How can I fix this?
DovbermanAsked:
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Kumaraswamy RCommented:
<li><a runat="server" href="~/About/AboutUs">AboutUs</a></li>
käµfm³d 👽Commented:
What kind of project did you select when you first created the solution?
DovbermanAuthor Commented:
A website project was selected.

Cannot simply modify a page that was automatically created. These pages are not recognized by the site master.

I imagine the development structure has been changed to support conversion to run on mobile devices.

Solution:

1. Add a new web form as follows:

  Right click the project name. Select "Add". Then Select "Add Form using Master Page.

Name the new page. ie. AboutUs1.aspx

2. Edit the new web form:

<%@ Page Title="" Language="C#" MasterPageFile="~/Site.Master"
    AutoEventWireup="true" CodeBehind="AboutUs1.aspx.cs" Inherits="StockProNew.AboutUs1" %>
<asp:Content ID="Content1" ContentPlaceHolderID="HeadContent" runat="server">
</asp:Content>
<asp:Content ID="Content2" ContentPlaceHolderID="FeaturedContent" runat="server">
</asp:Content>
<asp:Content ID="Content3" ContentPlaceHolderID="MainContent" runat="server">
       <ul>
            <li><a id="A1" runat="server" href="~/">Home</a></li>
            <li><a id="A2" runat="server" href="~/AboutUs1">AboutUs1</a></li>
            <li><a id="A3" runat="server" href="~/Contact">Contact</a></li>
        </ul>
</asp:Content>

The new page is recognized by the site master.

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käµfm³d 👽Commented:
Cannot simply modify a page that was automatically created.
Sure you can.

Screenshot
I don't understand why your hrefs don't have the ".aspx" extension. Did you enable URL rewriting?
DovbermanAuthor Commented:
My solution worked.
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