How To: Fix / Solve The Repeatedly 80240020 Windows 10 Installation Error

Let me start with, BWAHAHAAHAHAHA first.

Im proud of because i manage  to figure out myself about this error. lol. after repeatedly use tactic

  1. Delete everything you find in C:\Windows\SoftwareDistribution\Download
  2. run the command prompt as an administrator. Type in “wuauclt.exe /updatenow”.

BUT, still get same error. waste time. waste data because need to download from scratch.

then, i dig that 80240020, what exactly is that error. this error is:

SYMPTOMS

When you try to download and install updates from the Microsoft Windows Update Web site, from the Microsoft Update Web site, or from a Windows Server Update Services (WSUS) server, you may receive the following error message: 0x80240020

CAUSE

This problem occurs if the Automatic Updates service cannot impersonate the logged-on user to finish downloading and installing the update.

SO, what i do is (im using win 8.1 at that moment), i enable built-in Administrator account, because its disable in default. how to do it:
          1) run CMD as administrator
          2) hit this: net user Administrator /active:yes
          3) Close CMD
Then, sign in that new Administrator account.
After that, back to the original tactitc. Now, u DO NOT NEED to delete C:\Windows\SoftwareDistribution\Download.
what u need to do is:
             1) open control panel, open update windows. (DON’T HIT CHECK FOR UPDATE                   yet)
             2) open CMD as administrator and type: wuauclt.exe /updatenow    (DON’T HIT                      ENTER YET)
             3) click check for update now in control panel. then quickly hit enter on CMD. it will                  straight update to windows 10 if you not delete Download folder in                                        SoftwareDistribution yet.
NOW, thanks to me. hehe GOOD LUCK!!

56 thoughts on “How To: Fix / Solve The Repeatedly 80240020 Windows 10 Installation Error

  1. i’m using windows 7 and my account type is administrator. and i don’t understand about how to “sign in use that new Administrator account.”

    • erm i didnt use the admin acc but after i restarted the laptop i saw the account and logged in with it and i went to downloads in software distribution and there were no files that were added on the 29th of july,30 or 31st they were just old files plus i still went on and tried it again exactly the same way but this time the windows 10 download didnt come up :/

  2. Thanx man! Bwahahhah you’re awesome!!! This worked for my friend (win7) and it’s working for me now (win8) :)))))))))))))

  3. hey hi,
    my error is little different but I tried these steps to fix it. it didnt work. can you help.

    it ways Windows 10 couldn’t be installed.
    Error code 8009000B
    Windows update encountered an unknown error.

  4. WHAT?! HOW IT CAN BE?!!!!! You’re awesome man, many thanks!
    ummm ya, by the way, do we need to deactivate again that Administrator account after W10 installed? why that admin acc is not activated by default, there must be a reason for that. Isn’t?

    and…… BWAHAHAHAHAHHA

  5. You is Da Man! After failing the first attempt, I thought about it one more time, changed a few things on my system, combined a few other pieces of advice and BAM! It worked. I now have W10 running smoothly. Thank you!

    For the edification of the readers, here is what I had to do/discover. Starting from a functional legal Window 7 Home, SSD for Windows, SSD for Ubuntu, and RAID 0 for storage. User account, files, and games sit on the Raid array. :
    1. My install failure received a C1900101 error after my most recent try. This error indicates a device driver failure.
    2. I looked at what devices could have “special” drivers. This was the mouse (CM Havoc) and the Xbox 360 controller. I uninstalled those drivers. Turns out the driver for the Xbox is only need for Win7 and below. Win 8 and 10 have it built-in. All the mouse driver does is add pretty colors and custom resolutions.
    3. I uninstalled ESET Smart Security, Xbox controller driver, Steelseries Siberia v2 USB soundcard driver, CM Havoc mouse driver and Google Earth. GE showed up in the error log for some reason, so I wiped it. Disabled Steam and GOG from running at startup.
    4. I used msconfig.exe to disable all services except Microsoft ones.
    5. Reboot
    6. Follow Ascariz’s steps above, and Voila! The system cleanly installed and booted.
    7. Post steps: Upgrade the Nvidia driver, reinstall ESET, reinstall the USB sound card driver (really surprised it worked and worked without a hitch). Reconnect the Xbox controller (came right up). Re-enable Steam and GOG; they’ll self update. Have not reinstalled GE yet.

    Thank again, Ascariz!

  6. This didn’t work. Neither did any of the dozens of other tips. What i found DID finally work was i saw one post mentioning that he had recently installed an SSD (as did i) and still have the old drive as drive “D:\”. He fixed this issue by simply unplugging the old drive and keeping only the SSD connected. Then everything worked. Seriously guys. If you’ve tried everything and it still doesn’t’ work….then try unplugging any non boot drives from the system.

  7. I can’t believe this was it … using built-in Administrator account fixed my darn 80240020 error on win 10 Pro update via Windows Updates on 2 different 8.1 Pro x64 machines. A PC desktop with nvidia SLI and RAID0 SSD array was complicated for setup, so I thought it’s possibly hardware configuration or some driver causing that, so I ended up installing win 10 Pro media from usb stick (worked OK) … but when I saw the same thing on simple 8.1 Pro x64 laptop (while I had 0 problems with old win7 x64 laptop) I got suspicious … thanks for this post bro. I still can’t believe M$ forgot about UAC permissions issue here when upgrading from 8/8.1 …

  8. error 80004005

    tried everything available on internet..

    i get something went wrong error.

    tried ur method.. windows10 installed from 0 -100% but then again booted to 8.1 with this error

  9. PLEASE HELP ME IF ANYONE CAN HELP

    I HAD WINOWS 8 SINGLE LANGUAGE WITH ENGLISH(US) AS THE DISPLAY LANGUAGE,
    I HAVE UPGRADED WINDOW10 SINGLE LANGUAGE WHERE IT SAYS ENGLISH(US) DISPLAY LANGUAGE IS NOT AVAILABLE IN THIS EDITION AND ITS SET TO ENGLISH(UK) IN CONTROL-PANEL>REGION>ADMINSTRATIVE>COPY SETTING
    DUE TO THIS CORTANA DOES NOT WORK

    IF I CHANGE INPUT LANGUAGE+REGION+DISPLAY LANGUAGE TO ENGLISH(UK) CORTANA WORKS BUT I AM NOT COMFORTABLE WITH ENGLISH UK AS KEY PLACEMENTS OF SYMBOLS GET CHANGED

    ANYONE WITH A FIX

    EVEN MICROSOFT ANSWER TECH DOESNT HAVE ANY ANSWER

  10. It is downloading now! For those of you that deleted your download folder contents, I just went to the recycle bin and restored the contents. I wasn’t sure what “cmd” meant. First I ran it from “Run”, but that didn’t seem to work so I went to the actual command prompt (DOS screen), typed it in and BWAHAAA, Windows 10 started downloading. Thanks so much.

    Microsoft’s canned response didn’t even make sense. If I needed to wait til my upgrade was ready, why was it trying to update over and over and failing? My favorite was how Microsoft doesn’t even have a page for that error message and it brings up 17 different search results, none of which are the Windows 10 error code. So glad you were able to figure it out! Your site should be the number one link on google. I found it where you’d posted to do a google search to get here somewhere else but I also included “wordpress” in the search to find the link. Thanks again for digging deeper and helping the multitudes!

  11. THANK YOU SO MUCH!! Been endlessly searching everywhere for fixes and someone on another thread said to go here and this worked first time thankyou so much. *Working on Windows 8.1*

  12. Man…. what a brainy.. Thanks a ton.. You suggested and all done.. Now i am on WIN 10.
    Thanks
    Thanks
    Thanks………………

  13. You have no idea how long I’ve been trying to sort this damn thing out. Now it’s finally doing it, all thanks to you. I worship your genius. Thank you so much!

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