Inaccessible Boot Device on Multi-Core Processor when re-Starting a Windows Vista Computer

Have you encountered this kind of blue-screen error? Irritating, huh? Well…

Just found out recently after having to experience the same BSOD for 3 times in a row. I tried googling for the answer and fortunately found a convenient explanation and fix in the Microsoft website.

As per Microsoft, the error occurs due to the race inter-lapping of threads reading and written causing a the PCI root node to be missing from the device tree. Hence, the inaccessible_boot_device because the storage is now missing. It’s kind of a brain-twister really but it goes something like that. To go through all the techie-jargons, check out the Microsoft explanation on this. 😉

To resolve this error, download the Microsoft Hotfix.

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