Windows XP 661 Published by

Thanks to CestLaVie for this one:
Technical beta testers that downloaded Windows XP Home or Professional Edition from Microsoft's servers last weekend might want to be careful about giving out copies of the CD-ROMs that they generated: Microsoft has embedded a security check into each CD that uniquely identifies each tester, so the company will be able to tell if another user installs Windows XP using that tester's CD-ROMs.

Read more