Did some searching for you and found this:
For those using Windows Versions other than Ultimate/Business, follow these steps:
CTRL+ALT+DEL Login:
1) Open the Start Menu, type in "cmd", then press enter.
2) When the command prompt opens, type "control userpasswords2"
3) It will ask if you want to run the program (if UAC is on). Click "Continue."
4) In the "Advanced" tab on the bottom "Secure Logon" Box, check the "Require Users to press Ctrl+Alt+Delete" box.
5) You're all set! To undo this, repeat steps 1-3, then uncheck that same box in the "Advanced" tab.
Now for hiding your user account, you will need a quick registry modification. This can easily be reversed, so have no fear. As opposed to having a nice, simple check box, they make us change it ourselves.
1) Click Start, then type "regedit" and hit enter.
2) If UAC is on, allow Registry Editor to run.
3) Navigate to:
"HKEY_LOCAL_MACHINE \Software \Microsoft \Windows \CurrentVersion \Policies \System"
4) Once there, look for the name "dontdisplaylastusername" and double click it.
5) Change the value from "0" to "1"
6) That's it! Logout, and see if it works. To undo this, simply follow steps 1-4 and change the value back to "0
