Security vendor Symantec blames Microsoft for XP SP3 registry corruption and says that Microsoft’s code is what crippled PCs after they upgraded to the service pack — and that some of the same symptoms had occurred with XP SP2 several years ago. Microsoft, in other news, touts research projects in search and privacy. Yahoo postpones its annual board meeting and says that one member has resigned. IBM shows the way to a greener supply chain, while Hewlett-Packard slaps green labels on black-and-white printers. And in this installment of Geek week in review Cringely is slouching toward Cupertino while Apple fans are clamoring for 3G now and Lifelock CEO Todd Davis has his identity stolen. Oh yes, and in a twist of fate, the words Vista and perfection actually appear in the same sentence. Security