After installation of KB4056892 boot failure, after roll-back error 0x800f0845

Anonymous
2018-01-04T22:13:27+00:00

Hi,

I have older AMD Athlon 64 X2 6000+, Asus MB, after installation of KB4056892 the system doesn't boot, it only shows the Windows logo without animation and nothing more. After several failed boots it do roll-back then it shows error 0x800f0845. Unfortunately, it seems it's not easy to disable the automatic updates without gpedit tweaks, so it tries installing and rolling-back the update over and over. The sfc /scannow shows no problem, in-place upgrade also doesn't seem to help. I can try full reinstall, but I doubt it will change anything. It seems like the update is binary incompatible with my old CPU. I understand that making the machine unbootable is the best protection from remote exploitation, but I would rather have the OS working. Especially if my CPU is not vulnerable to the Meltdown attack and the MS mitigation attempts for Spectre is more than questionable. I could find only some German and Italian people reporting the same issue (well the CPU is quite pre-historic and the KB update is very fresh), but no info / acknowledgment from the MS so far. I have Czech localization. Could anybody provide more information?

Windows for home | Windows 10 | Windows update

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  1. Anonymous
    2018-01-10T11:27:38+00:00

    I have had the problem since the update.

    Today I got another KB4056892 update and it is pending a instal.  The known issues states they are not sending them for systems with AMD CPU's.

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  2. Anonymous
    2018-01-10T13:25:47+00:00

    It's only a surmise but maybe your machine had already been flagged for the update prior to the withdrawal of KB4056892 for affected AMD systems. The exact timing of the withdrawal is not stated.

    In my experience its not really a big problem, after three failed boots the update was auto-reverted and my machine was again usable, as before.

    Then, I took two actions to suspend it. Firstly I logged in as admin, and changed the Windows Update 'Advanced Options', to pause updates for 35 days. This is only available on 'Pro' or better. I also used 'wushowhide.diagcab', to remove KB4056892 from the queued update list.

    I've not tested it, but folk on 'Home', may find the second option is sufficient on its own.

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  3. Anonymous
    2018-01-10T13:33:37+00:00

    Feedback Hub is still not working, even with this link. ERROR!

    The link redirects to the Insiders feedback hub so you would need to be using an Insider account to see it.

    Hi Robert,

    thank you, I understood. 

    But at that time the Feedback Hub (the local one, in the Windows OS) on my laptop didn't work. Now it is working. It was my main message at that time, perhaps, I was not clear enough. But anyway it is already not important.

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  4. Anonymous
    2018-01-10T14:25:13+00:00

    Today I got another KB4056892 update and it is pending a instal.  The known issues states they are not sending them for systems with AMD CPU's.

    How to exclude the Update:

    • If possible in your Windows 10 version, set your connection as "metererd", this will stop automatic download of updates
    • use the Hide/Show troubleshooter to hide the Update
    • if the Update is not "waiting for restart" in Windows Update, you can restart the pc now
    • if instead the Update is in the "waiting for restart" state, it is already listed in the uninstallable updates so you can uninstall it How to Uninstall a Windows Update in Windows 10 and then restart your pc
    • wait some minutes and then check Windows Update to verify that the Update is now ignored
    • reset your connection to not metered

    Tested on Windows 10 Fall Creators Update Home and Pro.

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  5. Anonymous
    2018-01-10T14:30:31+00:00

    Unfortunately, I believed this and resumed updates - KB4056892 installed on my HP Pavilion laptop with a Turion 64 X2 and I had to do another restore.  If Microsoft paused this update, they didn't implement it correctly

    I'm sorry for this, I should have also wrote that there was no need to rush to do it! :)

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