sql 2005 Setup failed to obtain sys account info for the ASPNET account

During installing SQL SERVER 2005 process, if setup failed and error message is like below:

SQL Server Setup failed to obtain system account information for the ASPNET account.To proceed, reinstall the .NET Framework, and then run SQL Server Setup again.

We can fix it by opening command prompt and go to this path:


and run this command:

aspnet_regiis.exe -i

This command register ASP.NET with IIS.