Microsoft begins denying updates to some Windows 7 users

Microsoft this week began blocking Windows 7 and 8.1 PCs equipped with the very newest processors from receiving security updates, making good on a policy it announced but did not implement last year.But the company also refused to provide security fixes to Windows 7 systems that were powered by AMD's "Carrizo" CPUs, an architecture that was supposed to continue receiving patches.The decree that led to the update bans, whether allowable or not under Microsoft's new policy, was revealed in Januar