the CD looks thus Volume in drive G is VX2PCCP_EN Volume Serial Number is 6FBB-B0FD Directory of G:\ 28/02/2006 20:00 110 AUTORUN.INF 28/02/2006 20:00 <DIR> DOCS 28/02/2006 20:00 <DIR> DOTNETFX 28/02/2006 20:00 <DIR> I386 28/02/2006 20:00 34,301 README.HTM 28/02/2006 20:00 1,314,816 SETUP.EXE 28/02/2006 20:00 85,792 SETUPXP.HTM 28/02/2006 20:00 <DIR> SUPPORT 28/02/2006 20:00 <DIR> VALUEADD 28/02/2006 20:00 10 WIN51 28/02/2006 20:00 10 WIN51IP 28/02/2006 20:00 10 WIN51IP.SP2 I checked with Microsoft's "How to Tell" page, and it looks like genuine product. it came from online auction website in a box with folder, booklet etc. I have used NLITE under Win2000 several times before without hassles. That was with XP OEM source.