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  1. #1
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    Windows 10 Anniversary Upgrade Fails with Error 0x800700c1

    I'm running Windows 10 Pro Version 10.0.10586 Build 10586, 64 bit on a Lenovo Thinkpad W541. My Thinkpad has a SSD (drive C with Windows and programs on it, but all users files located at drive D:\Users\[username]\....

    I made 5 attempts to update my system with the "Windows 10 Update Assistance" which reports the following:
    20160914 Windows 10 Update Assistant 00.JPG

    After grinding through the whole download/ installing updates process the following dialogue appears:
    22019014 Windows 10 Update Assistant - Something Wrong.jpg

    Same result at every attempt.

    This is an exceedingly unhelpful error code.

    Extensive searches with Google has failed to find an explanation and/or fix for this error, and I've trieds a few that have been suggested. I thought of shifting Users back to C:\Users and trying again, but 600GB of user data will not fit on the 256GB SSD with the system and program files

    Any brilliant ides to resolve this issue.

    Cheers

    BygAuldByrd

  2. #2
    5 Star Lounger Vincenzo's Avatar
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    I got that same error on my first upgrade to Win 10, because I was logged in as a Standard User, needed to be an Admin account. Are you in an Admin account?

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    Quote Originally Posted by Vincenzo View Post
    I got that same error on my first upgrade to Win 10, because I was logged in as a Standard User, needed to be an Admin account. Are you in an Admin account?
    Thanks for your suggestion but all attempts to upgrade where made using an Administrator account.

    Also tried:
    • Clean boot
    • Stopping all programs that load at startup
    • Stopping all non-Microsoft Services
    • Disconnecting all external devices except ethernet, ie no USB sticks, USB HDD, USB Speaker


    Still no joy.

    BygAuldByrd

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    Have you tried using the Media Creation Tool?
    Joe

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    Quote Originally Posted by JoeP517 View Post
    Have you tried using the Media Creation Tool?
    Thanks for the thought.
    I hadn't, so I did the "Update" process using the Media Creation Tool from
    HTML Code:
    https://www.microsoft.com/en-au/software-download/windows10
    with the following "highly illuminating" result:
    And that was it - no indication whatever as to the nature of the cause of the failure

    Still looking for a solution that doesn't involve a clean instal.

    Cheers

    BygAuldByrd

  6. #6
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    Does Event Viewer give you any details for that failure ?

  7. #7
    WS Lounge VIP Coochin's Avatar
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    Quote Originally Posted by BygAuldByrd View Post
    ...Still looking for a solution that doesn't involve a clean instal...
    Have a look at my post at KB3189866 stuck at 46% download
    Computer Consultant/Technician since 1998 (first PC was Atari 1040STE in 1988).
    Most common computing error is EBKAC: Error Between Keyboard And Chairback
    AMD FX8120 (8-core @ 3.1GHz) CPU, Gigabyte GA-990FXA-D3 motherboard, 8GB (2x4GB) DDR3 1866MHz RAM, ATI-AMD Radeon HD6770 PCI-E VGA, 480GB Kingston SSD, 2TB Seagate SATA3.0 HDD, ASUS DVD/RW.

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    Quote Originally Posted by Sudo15 View Post
    Does Event Viewer give you any details for that failure ?
    I have tried searching through the Event Viewer but haven't noted anything that appears to be related to the Windows 10 Anniversary Update, but then a lot of the descriptions are not particlularly illuminating

    Cheers

    BygAuldByrd

  9. #9
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    The ones that could be relevant will have the date and time stamp of around the time of the failure.

  10. #10
    Super Moderator satrow's Avatar
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    Quote Originally Posted by BygAuldByrd View Post
    I thought of shifting Users back to C:\Users and trying again, but 600GB of user data will not fit on the 256GB SSD with the system and program files
    Move the D:/Users' 'Special Folders' to new folders on D: (one folder per User) and then move the remaining D:/Users folders and data back to their default folders on C:?

    Also check that there's enough (450Mb?) drive space free at the beginning of the disk that W10 can use for a new partition for the Boot/diag files.

  11. #11
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    Hi Sudo15,

    I've just completed another attempt at Windows 10 Pro Anniversay Update, this time by:

    and after about 2 hours came up with the following "amazing" result:


    I've attached copies of:
    • The Event Viewer > Winodws Logs > System for the duration of the attempted Update.
    • The WindowsUpdate.log (The relevant period for the Update attempt is 17 Sep 2016 from 10:50 to 13:00).


    I can't see anything in those Logs that point me to the cause of the Update failures.

    Are there other more relevant Logs? If so, where do I find them?

    Any further suggestions appreciated.

    Cheers

    BygAuldByrd

  12. #12
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    Hi Satrow,

    Thanks for the suggestion, but before I charge off to try it, am I correct in assuming that by "D:/Users' 'Special Folders' " you mean:

    D:/Users/[Username1]/...
    D:/Users/[Username2]/...

    and by the remaining "D:/Users folders" you mean:

    D:/Users/All Users/... (which incidentally has a shortcut icon)
    D:/Users/Default/...
    D:/Users/Default User/... (which incidentally has a shortcut icon)
    D:/Users/DefaultAppPool
    D:/Users/Public/...
    D:/Users/TEMP
    D:/Users/[Username1]/...

    I note that on my system drive I already have:

    C:/Users/All Users/... (which incidentally has a shortcut icon)
    C:/Users/Default/...
    C:/Users/Default User/... (which incidentally has a shortcut icon)
    C:/Users/Public/...
    C:/Users/[Username1 Administrator]/... (only laptop's user as an Administrator)
    C:/Users/[Username1]/... (only laptop's user as a non-administrator)

    Should I simply overwrite these folders - which doesn't seem like a good idea to me.

    Just wish to be sure I'm understanding your suggestion before I screw up my system.

    Cheers

    BygAuldByrd

  13. #13
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    Wait for Satrow to confirm those and see if he will accept running this cmd from a Command Prompt (Admin) would do any good and if you would need to create a restore point before running it -

    You can copy & paste it to the cmd prompt.

    %SystemDrive%\Program Files\Update Services\Tools\WsusUtil.exe reset

    This cmd will reset the WSUS server.

  14. #14
    Super Moderator satrow's Avatar
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    Use this as a guide to restoring the Special Folders to their default locations: Windows 7: User Folders - Restore Default Location

    Check each folder size first, you may need to move some of the larger files/folders within those to a new location on the D: to prevent them from using up too much SSD space.

    This might prevent the risk of freezing that was introduced with AU, though recent changes by MS seem to have reduced this risk anyway (I don't think they've figured out all of the reasons for it yet).

    If you have any other default Windows folders moved onto D:, you should also move them back, unfortunately, they won't have the Location tab in their Properties, so no easy Restore Location (and I've never moved anything other than the "allowed" Special Folders, so I don't have an easy fix for those). <- these might be the real reason for the failure, similarly if you have any apps/programs installed on the D:.



    Before you try W10 AU install again, ensure you have all your hardware drivers fully updated and temporarily uninstall anything that runs software drivers/filters at boot, like AV, MBAM Prem., some motherboard/GPU monitoring utilities, etc.

  15. #15
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    Quote Originally Posted by Sudo15 View Post
    Wait for Satrow to confirm those and see if he will accept running this cmd from a Command Prompt (Admin) would do any good and if you would need to create a restore point before running it -

    You can copy & paste it to the cmd prompt.

    %SystemDrive%\Program Files\Update Services\Tools\WsusUtil.exe reset

    This cmd will reset the WSUS server.
    I tried running WsusUtil.exe (after setting a Restore point), however the path you have specified does not exist on my Windows 10 system And a search of my SSD and HDD did not find WsusUtil.exe

    Cheers

    BygAuldByrd

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