Windows XP Professional / Legit CD activation after SP1?

[DigiXP]

Does "XPKey.exe" works to install a single legit "Windows XP
Professional Upgrade" original CD in a second and a third computer?

What if I already have installed "Windows XP Professional Upgrade"
in two computers, entering the same original product key in both?
Do I have to remove, format de hard drive, and perform a clean
install, to later enter a different product key number generated by
"XPKey.exe"?

Can I use "XPKey.exe" to re-activate a "Windows XP Professional"
already installed, but asking for a new activation after installing
The "Service Pack 1"? (please remember that I only have a single
Original Windows XP Professional Upgrade" CD)

BTW: What the "Remove Message" program does?

I'll appreciate any help you can give me, as I refuse to let
Microsoft take more money from me, after I had spent
fortunes purchasing most of the software they sell and
modify to sell us upgrades continuously.

Thanks in advance.
DigiXP.

[maro]

Probably yes. I've already used "XPKey.exe" - it's generating activation keys for XP. You can find out more about it at: http://xpkey.cjb.net.

[DigiXP]

Thanks for your help Maro.

Regards,
DigiXP