I am getting the following error message

'Unhandled exceptions has occurred in a component in your application.  If
you click Continue, the application will ignore this error and attempt to
continue.

Cannot create a stable subkey under a volatile parent key.'

I don't know what I need to do to set this up correctly.  Can someone help
me. I downloaded SQL Server Express 2005 yesterday and now all of my
databases are disabled.  

I downloaded one of the starter kits for VB.net (classified ads), but I
wasn't able to use it after I downloaded SQL Server Express 2005.  I know
this has to be a very simple fix.  

Please advise.

Thanks,

Tiki