Anti-piracy initiative to require Windows XP verification for upgrades, fixes. SEATTLE (Reuters) - Microsoft Corp. will combat piracy of its flagship operating system by requiring Windows users to verify that their copy of the software is genuine in order to receive timely updates and security fixes, the world's largest software maker said Wednesday. Under a new verification program, users will have to prove their copy was obtained legitimately to receive "greater reliability, faster access to updates, and richer user experiences" from Windows XP, the latest version of the operating system running on over 90 percent of the world's personal computers....