Windows 10 fails to update

tybee said:

I tried post 44 again: I downloaded the media creation tool, saved it to desktop, ran the tool selecting create installation media for another pc, selected options English, Windows 10, and 64-bit, checked 'use the recommended options for this PC', dotted 'USB flash drive', it identified the USB stick I wanted to use and installed it. Then I opened the flash drive (left click), right clicked setup and selected run as administrator. The result was the same as before: "Windows" icon appeared for 30 sec and then I got the same message that Setup couldn't properly start.... reboot and try again. I noted a message in the first part of this instruction about disabling secure boot​?? Would that be an issue??

That all sounds perfectly correct, except for running setup.exe with run as administrator. I've never had to do that - I've always been in an administrative account when trying to do the repair install and just double-click setup.exe. I don't think secure boot would have any effect (can't understand how it would), but I guess you could try turning it off - we've tried just about everything else.

tybee said:

I did not try disabling secureboot , not yet anyway, I found myself guessing at too many settings and decided against it until I've learned a little more about it. So, I guess I'm hold for now.

See if these help at all. I know they're W8, but should be the same/similar for W10.
Secure Boot - Enable or Disable in UEFI

UEFI Firmware Settings - Boot to from inside Windows 8

Maybe this will be more helpful?
After installing Microsoft Update KB3133977 for Windows 7, some users may encounter a the system fail to boot into the operating system.

EDIT: I honestly don't think this will make a difference, but I could be wrong.

Sure, try updating your firmware

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Please follow this tutorial to provide the current operating environment of your machine.
Speccy - Publish Snapshot of your System Specs

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Boot to Safe mode: https://support.microsoft.com/en-us/...c-in-safe-mode
Then restart in normal mode.

Sounds silly - but it is a legitimate fix for some issues - don't know why.

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Is a flaky profile causing this on your machine?

Launch Command Prompt (Admin)

reg query "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList" /s > %TEMP%\profList.txt

exit

Attach the profList.txt file in your temp folder to a new post - thanks.
Enter %TEMP%\profList.txt in the file box on the Manage Attachment window and press the Upload button

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Since I touched on profiles, try creating a new local admin account, sign-in to the new account and try WU.

Thanks

Bill