make sure you have a installed a windows xp sp1 or window xp sp2 after cheaking your windows xp version then restart your computer in safe mode than backup your moded logonui file in your system32 folder then restart your computer comuter syste and ger your custom logonui. and if your are not get then convert your logonui file in logonui.ex_and it then it's completer and 100% working. thanks