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How to fix Windows 10 Update Error code 80240020 & Windows Update Installation Failure 80240020

Discussion in 'Windows 10 Tutorials' started by Jordan, Jan 8, 2017.

  1. Jordan

    Jordan Administrator Staff Member Administrator

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    Here is a quick tutorial how to fix these horrible update errors.

    How to fix Windows 10 Update Error code 80240020
    How to fix Windows Update Installation Failure 80240020

    Go to the following Path C:\Windows\SoftwareDistribution\Download

    Windows 10 Update Error code 80240020.PNG

    2# Delete everything in this Directory, (files within side the Download Folder) Not the download folder itself. This will cause you even more issues.

    3# Open up a command prompt and run it as admin. To do this type Command in your search bar as below, then right click and run as administrator.


    4# Type the following in command prompt.

    wuauclt.exe /updatenow

    Once done it will look as if nothing has happened


    #5 Head over to settings > Updates where you originally tried to install/update Windows 10. You should see the updates installing.

    If you don't know how to find this error code or are wondering what the error looks like take a look here:


    #REGISTRY HACK (Second Solution)

    Open up your registry editor by searching for Regedit in your Windows Search bar, like below.


    #2 Browse to the following path


    Here we need to create a new DWord(32 bit) with a name of AllowOSUpgrade and a value of 1. Simply right click> New DWord(32 bit)


    Once your Dword is created, double click on it, this will allow us to change the value to 1 like below:


    Hit OK

    That should be it, restart your machine and see it it allows you to update...

    #Solution 3

    If your still getting these errors after the above; try installing updating Windows 10 via ISO which can be downloaded and installed from the Microsoft website here:

    Windows 10 Update Error code 80240020
    Windows Update Installation Failure 80240020

    If you rather watch a video of how to fix this update see below:

    Please post below if it worked for you, or if it didnt.


    Last edited: Jan 8, 2017
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