Unable to start program 'http://localhost/Default.aspx'. VS2010

Question

I cannot start my website from Visual Studio 2010 anymore.

For a few days I cannot start my project in a web browser using F5. When I open my web application directly by

Answer 1

I solved in this way:

1. Right click on a aspx page
2. Browse with set internal browser as default
3. Remove the previous default browser
4. Add %programfiles(x86)%\internet Explorer\iexplore.exe
5. Set this choice as default