Microsoft in 64-bit Vista lockdown | The Register

Microsoft in 64-bit Vista lockdown | The Register: "There's going to be a kybosh on naughty developers mucking about with the 64-bit kernel; patching will be banned. McAfee and others seem to have already learned of the new deal at Microsoft. Speaking at the RSA Europe conference in Nice, Microsoft security technology unit corporate VP Ben Fathi said the 64-bit kernel will be a 'black box'."

A start down the road Apple chose a long time ago. Perhaps in an attempt to get a handle on the way this is going on now...