Windows 10: Windows 10 installation fails at 18% Solved

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  1.    02 Aug 2015 #21

    (Almost) same problem

    Ztruker said: View Post
    Look in C:\Windows\Panther folder. See if there is a setup, install or fail log. See what error you are getting?
    I have tried numerous times to install Windows 10 in the last couple of days. My C:\Windows\Panther folder shows all dates of 12/30/13. Shouldn't the dates be today or yesterday when I was trying to install Windows 10? Whatever the case, I have a "setuperr.log" which shows a series of 0x0808fe errors. By the way, I was successful in installing Windows 10 on my Dell Windows 7 desktop computer. Thanks for any help!
      My ComputerSystem Spec

  2. Ztruker's Avatar
    Posts : 6,391
    Windows 10 Pro X64 17134.191
       02 Aug 2015 #22

    Look in these places as well:

    "C:\Users\yourusername\AppData\Local\Microsoft\WindowsInstallationMediaCreationTool\Panther\setuperr .log"
      My ComputersSystem Spec

  3.    02 Aug 2015 #23


    Ztruker said: View Post
    Look in these places as well:

    "C:\Users\yourusername\AppData\Local\Microsoft\WindowsInstallationMediaCreationTool\Panther\setuperr .log"
    Thanks, Rich.

    Here's what I found:

    Error codes are: 0cx8007002, 0x800704C7, 0x80070490, 0x8C1800104 and 104A, 0x80070216 dated 8/2/15

    C:\Users\yourusername\AppData\Local\Microsoft\WindowsInstallationMediaCreationTool\Panther\setuperr. log
    Found nothing here.

    Error code 0x80070103 dated 8/2/15

    Error codes as stated earlier dated 12/30/14

    Access denied

    If you need anything further, let me know.

      My ComputerSystem Spec

  4. Ztruker's Avatar
    Posts : 6,391
    Windows 10 Pro X64 17134.191
       03 Aug 2015 #24

    Mae, how much free space do you have on your boot drive?

    Try disconnecting everything except your mouse, keyboard and display.
    Disable anti-virus. Uninstall all Stardock software (Start8, Window Blinds, etc) or Classic Shell or similar.

    If all else fails, backup you system then do a Clean Install of Windows 8.1, activate then upgrade to Windows 10. That seems to be working for those who have tried it.

    Windows 8 and Windows 8.1 ISO - Download or Create

    Clean Install with Windows 8 Upgrade
      My ComputersSystem Spec

  5.    03 Aug 2015 #25


    I have 314 GB free (of 452). I hope I won't have to do a clean install of Windows 8 because I'd have to reinstall all my programs, right? And that's a real pain! I'm looking into how to disable my Antivirus program (Trend Micro) and will try that first, then get back to you.

    Thanks, again.

    P.S. I followed all your directions in last post, to no avail. Then I went to and used their suggestions (disabling startup and task manager programs). Nothing seemed to work. I finally tried the Windows Update Troubleshooter again (which I had done several times before, and it was unable to fix anything), but this time, voila! It "fixed" whatever problems there were from previous updates. It must have been a combination of all the above to undo the glitch. Woo hoo! Windows 10 is up and running on my laptop, and I didn't have to do a clean install of Windows 8.1!

    Thank you, Rich!
    Last edited by Mae; 03 Aug 2015 at 21:32.
      My ComputerSystem Spec

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