Windows 8 and 8.1 Forums


I have 8.0 but can't download 8.1 update. Need ISO or DVD.

  1. #1


    Posts : 25
    Windows 8.1 Pro / 7 Ultimate

    I have 8.0 but can't download 8.1 update. Need ISO or DVD.


    Both of my Windows 8.0 computers (desktop & laptop) have Windows 8 installed. And the Microsoft Store shows that the 8.1 update is available to me on both computers. But they won't download because I believe my ISP is blocking this update. I keep getting the error 0x80240031 when attempting to download.

    Is this 8.1 update available as an ISO or on a DVD from Microsoft ? I think this is the only way that I will be able to get the 8.1 update if my ISP continues to block me.

      My System SpecsSystem Spec

  2. #2


    Posts : 22,564
    64-bit Windows 10


    Hello in2jesus,

    Check to make sure that you have disabled or uninstalled any 3rd party AV/Firewall program, and installed the KB2871839 update in Windows Update to see if that may help. In addition see the links below to see if anything else may apply to you.

    Why can't I find the update in the Store? - Microsoft Windows


    https://www.eightforums.com/tutorials...1-preview.html
      My System SpecsSystem Spec

  3. #3


    Posts : 25
    Windows 8.1 Pro / 7 Ultimate


    Thanks, I think you mean KB2871389. It's installed according to my update history. And my Avast AV is disabled.

    Still no joy...on either of my Win8 machines. Gotta be my ISP (Verizon Wireless 4G).
      My System SpecsSystem Spec

  4. #4


    Posts : 1,121
    Windows 8.1 x64


    The error seems to mean the download file is not of the correct format. Since you are doing this over a 4 G connection, do you have preferences set up to only download certain types of content?
      My System SpecsSystem Spec

  5. #5


    Posts : 25
    Windows 8.1 Pro / 7 Ultimate


    Not that I am aware of. Everything else including regular OS updates have worked okay in the past.
      My System SpecsSystem Spec

  6. #6


    Posts : 22,564
    64-bit Windows 10


    The Windows 8.1 update is around 3.5 GB. Do you have a file size or download limit on your 4G that would block it?
      My System SpecsSystem Spec

  7. #7


    Quote Originally Posted by Brink View Post
    The Windows 8.1 update is around 3.5 GB. Do you have a file size or download limit on your 4G that would block it?

    Good point...most carries do.
      My System SpecsSystem Spec

  8. #8


    Posts : 25
    Windows 8.1 Pro / 7 Ultimate


    I have 10GB monthly with my Verizon 4G. I'm not even close right now. But if I did go over the 10GB, they don't block me...they just charge me more...to the tune of $10/GB. That's a lot I know. But that is because I don't have cable where I live.
      My System SpecsSystem Spec

  9. #9


    Posts : 25
    Windows 8.1 Pro / 7 Ultimate


    Just went into town and it is now downloading. I guess Verizon 4G is my problem. Since it is going so slow here I'm going to pause this and go back home and see if it will pick up on Verizon...
      My System SpecsSystem Spec

  10. #10


    Posts : 22,564
    64-bit Windows 10


    Good news so far.
      My System SpecsSystem Spec

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I have 8.0 but can't download 8.1 update. Need ISO or DVD.
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