XP PRO SP2 logon screen

We use an application that only runs when someone is logged on. So for 2 years it has worked fine, the only user does not have a password so it logs him in auto if the system has to reboot itself. (these are non manned desktops, no monitors, only access using netmeeting) However we had to install an application that requires the .net framework installed. i went and disabled the screen saver and any other power saving features, disabled the reuire password after resume everything and still after a half an hour it goes to the log on screen where you have to click their name to log them on. Any way around this? disabling this.

Thanks

 

The Welcome to Windows screen appears when you start Windows XP after you
install the .NET Framework 1.1
http://support.microsoft.com/?kbid=827072