U hv to replace this login screen with the original! follow these steps:
Just insert ur Windows XP Setup CD and goto
I386 folder, in this folder look for a file named
logonui.ex_.
Copy this file to any drive, say D:\
Now open DOS and goto D:\ drive by typing following command:
d:
Now give following command:
expand logonui.ex_ logonui.exe
Now u'll get "logonui.exe" file in D:\ drive. Now use "Replacer" and replace
%windir%\System32\logonui.exe file with this new one
PS: u can find Replacer here!