Bruce wrote on Tue, 14 Mar 2006 19:56:14 -0800:

Windows xp home edition version 5.1??? Never heard of it.

Windows XP is NT version 5.1, Windows 2000 is NT version 5.0. It's possible
that the system properties version shows 5.1, rather than something else
(like the "Version 2002" it shows on my XP Pro PC here).

Dan