Could not add ASPNET user to SQL Server -Help plz-

hi ! someone could help me out ?
this is my log file i got

1:17:51 PM Monday, September 22, 2003: [Checking system requirements]
1:17:51 PM Monday, September 22, 2003: [Pass] Detected a local instance of SQL Server.
1:17:51 PM Monday, September 22, 2003: [Pass] Determined SQL Server version (8.00.194).
1:17:51 PM Monday, September 22, 2003: [Pass] Detected .NET Framework.
1:17:51 PM Monday, September 22, 2003: [Pass] Detected Internet Information Server (IIS).
1:17:54 PM Monday, September 22, 2003: [Begin Sample Configuration]
1:17:56 PM Monday, September 22, 2003: [Pass] Created IIS virtual directory.: AspNetForums
1:17:56 PM Monday, September 22, 2003: [Pass] Determined SQL Server version (8.00.194).
1:18:14 PM Monday, September 22, 2003: [Fail] Could not add ASPNET user to SQL Server.
SQL Server does not exist or access denied.
1:18:14 PM Monday, September 22, 2003: [Done]Does the user you are currently logged in as have rights to the sql server in question?|||What you mean about (as logged in as have rights to the sql server )?

-ok my SQL server is runing on my machine the server i am on it see like nothing wrong !

Still not understand why i could not add ASPNET user to SQL Server on the intallation AspNetForumsSetup|||You may want to try adding the user manually to the sql server. Sorry, I'm not sure what the problem is. I have never tried to install AspNetForumsSetup.