Generate a 640 Product Key for WinXP Pro Corporate Editions with Service Pack 2.
The Windows update v5 via web works fine!

Greetz
Sandman2000

- start keygen.exe
- change product family to "Windows XP Pro VLK"
- Hit "Generate" as many times you like, and pick your unique license key ;-)

- start C:/windows/system32/oobe.exe
- select order by phone
- hit next
- hit change product key
- enter new key
- close window
- you're done!