I also had Windows Update fucking up my VMs and physical installs multiple times - this stuff just happens _with desktop machines, on desktop OSes_. The point is, lots of companies are using random cheap x86 computers with Windows desktop for mission critical appliances and systems, which is nonsensical. The rule of thumb has always been, do not put Windows (client) on anything you can't format on a short notice at any time. Guess people just never learn