This will get the Winlogon key for us:
==Please copy the text in the box to a notepad [format/wordwrap unchecked] and save as showkey.bat to your desktop; dclick it to run, then post the file C:\showkey.txt
reg query "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon" /s >>C:\showkey.txt
start C:\showkey.txt
pause
Post the notepad that opens.
Deep, deep in the woods, but walking about.