1. andyqkw's Avatar
    When attempting to upgrade to 10158, 10159 or 10162, I'll get a failure.This failure occurs with Windows Update or via the 10162 ISO. It achieves 80%of the "Copying Files" portion of the installation process, which is24% of the overall, and then it aborts and restore back to the previous OS.

    The ISO base
    installationprovides additional information:

    0xC1900101 - 0x20004
    The installation failed in SAFE_OS phase with an error during INSTALL_RECOVERY_ENVIRONMENT operation


    Anyone else comes across this issue???
    07-04-2015 02:52 PM
  2. sri san's Avatar
    yes I m facing this issue :/ cant find proper solution played with bios settings too
    07-11-2015 05:22 AM
  3. andyqkw's Avatar
    yes I m facing this issue :/ cant find proper solution played with bios settings too

    ​I have pretty much given up on the idea on Microsoft ever fixing this issue.

    I have tweeted Gabe A​​ul and also on their Insider forum about this since build10158/10159/10162/10166 and no response/acknowledgement till date.
    07-12-2015 09:23 PM
  4. andyqkw's Avatar
    Still getting the same error with the latest build 10240
    07-17-2015 06:58 AM

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