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Microsoft's Meltdown and Spectre Patch Is Bricking Some AMD PCs (betanews.com)
Mark Wilson writes: As if the Meltdown and Spectre bug affecting millions of processors was not bad enough, the patches designed to mitigate the problems are introducing issues of their own. Perhaps the most well-known effect is a much-publicized performance hit, but some users are reporting that Microsoft's emergency patch is bricking their computers. We've already seen compatibility issues with some antivirus tools, and now some AMD users are reporting that the KB4056892 patch is rendering their computer unusable. A further issue -- error 0x800f0845 -- means that it is not possible to perform a rollback.
I haven't seen too much online but MS did something to break Windows Updates for many users sometime around Dec 3-5. I have one customer with a couple hundred PC's and Windows Update is still broken on about 70% of them. The only fixes I've seen involve setting the date back on the PC by about 6 months, running Updates again, let it fail, then change the date back to current. The problem with this fix (and the others I've seen) erases the Windows Updates history so it appears they've never been run (and nothing installed prior can be uninstalled)
Why does error 0x800f0845 mean rollback is impossible?
You can lead a man with reason but you can't make him think.