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HPのAMDベースのデスクトップでXP SP3を当てるとリブートのエンドレスループって話について、もうちょっとでMSがパッチを出すって話みたい

Hewlett-Packard Co. today confirmed that some users of its AMD-based desktops have had problems after installing Windows XP Service Pack 3 (SP3), and said it would issue a patch this week to prevent machines from spiraling into endless reboots. HP also told users to delay installing XP SP3 until that patch was released. Microsoft, meanwhile, acknowledged today that it's working on a hotfix of its own.