In these situations I've had pretty good luck with Ophcrack
http://ophcrack.sourceforge.net/
I haven't come across a computer yet, XP or Vista, that I couldn't get
into with the live cd.
--
Ken
echo 16i[q]sa[ln0=aln100%Pln100/snlbx]sbA0D4D465452snlb xq |dc