Upgrade from Windows 10 (build 10240) fails at 40% RRS feed

  • Question

  • Dear all,

    I am looking for a solution to my upgrade issue. Currently I have build 10240 installed, but Windows thinks there is no upgrade out there, even when I tell it to Check for Updates. Clearly it is wrong, as there are many new updates available.

    Manually downloaded ISOs all fail at 40% of the upgrade process, 23% in the installation of features and drivers.

    When the system returns to the previously installed version of Windows I get the message "We couldn't install Windows 10" and the given error code is 0xC1900101 - 0x30018, with message "The installation failed in the FIRST_BOOT phase with an error during the SYSPREP operation"

    I already tried a zillion things to have this resolved, including:

    • Clean boot, so no other services that Microsoft's.
    • Disabled the firewall and Windows Defender.
    • Disabled the virus scanner.
    • Disabled the automatic startup of programs at start-up.
    • Disabled all .NET features in Windows (3.5 and 4.6).
    • Updated all drivers.

    Furthermore, I do not have a memory card inserted in the card reader, and all USB has been disconnected (except for the mouse).

    So my last resort is you. I do have a log files in C:\$WINDOWS.~BT\Sources\Panther, but do not know how to attach these to this post.

    Please suggest what I can do, except for a clean install, as I rather not do that.

    Wednesday, April 13, 2016 9:48 AM


All replies

  • Hello

    Also please refer to this article to troubleshoot:


    If it doesn't resolve your problem, please upload the setupact.log and setuperr.log to Onedrive and share the link here.

    Regards, Regin Ravi

    Wednesday, April 13, 2016 10:27 AM
  • Hello,

    Please refer suggestions mentioned here:


    Let us know if this helps, Good luck :)

    Windows Troubleshooting & How to guides - http://www.kapilarya.com

    Wednesday, April 13, 2016 3:53 PM
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    Thursday, April 21, 2016 7:54 AM