PC World: Windows Meltdown patches halted for some AMD systems after PCs refuse to boot

PC World: Windows Meltdown patches halted for some AMD systems after PCs refuse to boot. “AMD processors aren’t affected by the devastating Meltdown CPU flaw, but the emergency fix for Meltdown and Spectre can apparently bring certain AMD CPUs to their knees. Microsoft has stopped offering the Windows security patch to some AMD systems after reports of PCs not booting.”