Windows 10 Upgrade Fails (installation failed in the SAFE_OS phase )

Discussion in 'Windows Virtual Machine' started by MarkC8, Sep 30, 2015.

  1. MarkC8

    MarkC8 Bit poster

    Messages:
    1
    I have tried to install the Windows 10 upgrade via the instructions http://kb.parallels.com/en/122884 but it fails everytime.

    I get the following message when it goes to reboot:
    We couldn't install Windows 10
    We've set your PC back to the way it was right before you started installing Windows 10
    0xC1900101- 0x20017
    The installation failed in the SAFE_OS phase with an error during BOOT operation

    help please.
     

    Attached Files:

  2. JohnA4

    JohnA4 Bit poster

    Messages:
    1
    Same problem here and I have followed (I think )all of the random forum advice given

    1) 4gb memory
    2) 22gb free disk
    3) Changed from SATA 0:1 to IDE 0:1
    4) Windows 8 is up to date
    5) No virus protection installed

    Followed all posted instructions. Parallels can you help? I upgraded and gave you money specifically to get Win10 because you told me I needed to so I could get Win 10 but now your software won't let me install Win10.

    Please help

    References:
    http://kb.parallels.com/122884
    https://forum.parallels.com/threads/win-10-upgrade-install-failure.329098/#post-776442
    https://forum.parallels.com/threads...ssues-with-coherence-mode.330652/#post-782712
     
  3. Sylvester@Parallels

    Sylvester@Parallels Parallels Support

    Messages:
    372
    Hello John,
    Please email us to cs(at)parallels(.)com, so we can assist you to upgrade your Windows.
     
  4. AdeR1

    AdeR1 Bit poster

    Messages:
    1
    Hi,
    im experiencing the same issue as above now. any guide how to resolve this?
     
  5. Hello, could you please share a bit more details with us?
    Your Parallels Desktop and macOS version, when does the issue reoccurs, did you get any error message?
     

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