Troubleshooting ASP.NET

when i turn on visual studio.net i got , asp.net project i got thr following message
The specified server is not runnung ASP.NET ...version...
using help i did aspnet_regiis/i
but it does not work

please help
thanks.Well is it saying you are not running ASP.NET version 1.1?

If so make sure you go to C:\WINDOWS\Microsoft.NET\Framework\v1.1.4322 in the cmd window and run aspnet_regiis.exe -i . That will install version 1.1.