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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?
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If it were my PC I would just allow it to roll through the updates without intervening, as you have managed to debug the problem and can always backout to that point again.
Did you actually run a chkdsk or scan in the end? That problem seemed like it could be corruption of either video management software or video drivers, perhaps one of the patches caused the problem ..it wouldn't hurt running a chkdsk or scan too look for bad disk sectors.
Another update: So I forgot that in addition to system restore there's another restoration variant available that rolls windows back to a previous version (i.e. major update I assume?). I just tried this option and am now able to get to a fully functional user account desktop. Any suggestions on whether to attempt further Windows Updates at this point? Or should I disable for the time being? Or perhaps, now there an update roll-up which addresses most of the issues AMD users are experiencing and it might be safe to continue with updates accordingly?
That's what the boot menu idea could do but you also were on that tack via the Power button's Shift-Restart to get into Advanced Boot Options.
Well essentially this would be Safe Mode, yes? Or were you suggesting I try something else from the Advanced Boot Options? I don't think there's much left to try unfortunately. I'll keep at it though.
If I only I could get to a minimalist boot, I might be able to do some clean-up on start-up processes and such.
That's what the boot menu idea could do but you also were on that tack via the Power button's Shift-Restart to get into Advanced Boot Options.
Please use Narrator to keep control even though you can't see what is going on anywhere. I'm mystified about that. I was hoping you would be able to see more with Low res. Note that as soon as any Accessibility program is running you would have something to show in an Alt-Tab list. So, it is surprising that you can't see either Task Manager or Narrator on the screen. We can ignore the state of explorer.exe in that case (or then learn to start focusing on its problems and try to figure out how to work around them).
Another one that would change the video to be viewed is Mangifier in its Fullscreen mode with its Reversed video option. OMG. They have "modernized" that too? I just got Magnifier started conventionally with Win++, got into its Views menu and switched to FullScreen, and then tried to use its Tools menu but got taken to ms-settings:magnifier (or whatever it is--nothing obvious like that) which of course for you would require a completely functional explorer.exe.
<voice actor="Dorothy" > Toto, this isn't Kansas, is it? </voice>
Another quick update. I had to run some errands and just left it at the blank screen. When I returned, the typical beach/cavern/blue sky Win 10 default login image showed up on the screen with the selected user account and the spinning circle of dots which seems to indicate the user profile is still trying to load. However, it never finishes. I can get the narrator menu to pop up on the screen during this but no sounds are being generated (yes, speakers connected and powered on). And I can't select/click on any of the options. So the menu appears to be inoperable for some reason. Alt-Tab shows (2) selections, "Windows sign-in" and another selection that has no label of any sort. So something is definitely locking it up upon initial user account loading. If I only I could get to a minimalist boot, I might be able to do some clean-up on start-up processes and such.
At this point, my only options I can see are a Win10 PC Refresh or Reset (or worst case, complete new install). Unless there are any other suggestions on how to boot with limited system services/processes. On a side note, both monitors I have connected (1 DVI, 1 VGA) are mirroring the same display (i.e. beach/cavern/blue sky) so I don't think it's necessarily an issue with an extended/hidden desktop at this point. <sigh>
