Windows 10: KB 5021233 fails "0x800f0900" "download error". Earlier 8/9/2022 KB 5012170 was...

Discus and support KB 5021233 fails "0x800f0900" "download error". Earlier 8/9/2022 KB 5012170 was... in Windows 10 Installation and Upgrade to solve the problem; What can I do? Windows 10 22H2 Build 19045.2251... Discussion in 'Windows 10 Installation and Upgrade' started by BrianAlex, Dec 24, 2022.

  1. BrianAlex Win User

    KB 5021233 fails "0x800f0900" "download error". Earlier 8/9/2022 KB 5012170 was...


    What can I do? Windows 10 22H2 Build 19045.2251

    :)
     
    BrianAlex, Dec 24, 2022
    #1

  2. Downloading the most recent KB

    I am doing this because I am still trying to find why my last Windows Updates are failing, and because I am not ready for an In-Place Upgrade.

    I am referring to the instructions given on this MS page:

    support.microsoft.com/en-nz/help/10164/fix-windows-update-errors

    It says:


    • Go to the Update history page.
    • Find the most recent update KB for the version of Windows 10 you have – it’s usually at the top of the list – and either write the KB number down or copy it
    • Go to the Microsoft Update site and search for the KB number.
    Under View Update history in Settings, I see only the latest attempts to install the 2018 Cumulative Update for Windows 10 V1803 for (KB4462919) and the failed Security Update (KB4462919).

    That means I see two KB numbers. In the instructions under 3, which KB number are they talking about? Are they even talking about any one of the two listed KB numbers in Update History (failed updates), or are they talking about the KB number(s) of the last successful update. If the latter, I don't have them, because I cleared the Update History in Settings.
     
    battlezone, Dec 24, 2022
    #2
  3. CVEs fixed in a KB

    Hi ,

    I want to get the list of all the CVEs fixed in a KB.
    My current findings:

    1. From Microsoft Update Catalog website I can download the KB. But some KBs I don't seem to find here like -> KB2267602

    2. From Security Update Guide - Microsoft Security Response Center website I can give the date of the KB and search it as keyword in filter after removing KB and I should be able to get the list of CVEs fixed. But here also I am not able to find KB890830 last updated on 8 November 2022 ( This date I found out from Microsoft Update Catalog website)

    Why is there data not complete? How can I get the exact list?
     
    Vanshika Warathe, Dec 24, 2022
    #3
  4. KB 5021233 fails "0x800f0900" "download error". Earlier 8/9/2022 KB 5012170 was...

    Failing to update these KB 3135782, KB 890830 and KB 3135173

    The suggestion was to first fix Windows Update but I noticed that my main issue was with the download of KB3135782. Once at the "View All" list of troubleshooting apps I noticed the first one was 'Background Intelligent Transfer Service'. 2 errors
    were fixed when performing this step. I added this as steps 4a and 4b (redundant check) to original instructions below.



    I suggest you to run the Windows Update troubleshooter and check if it helps.

    1. Click on search bar next to Start Menu.

    2. Type “Troubleshooting” without the quotes and click on
    Troubleshooting.

    3. Click on View All on the left panel of the screen.

    4. Click on Windows Update

    4a. Click on Background Intelligent Transfer Service

    4b. Click on Windows Update

    5. Click on Next and follow the prompts to run the troubleshooter. Restart the PC and check.



    After reboot I tried updates again and still was stuck at a download error for KB3135782 but notice that 2 other KB's that had failed the download were now working. Hey, 2 out of 3 right! Maybe the manual download of KB3135782
    would now work. Microsoft Update Catalog Type in KB article and find your specific version as listed
    in your Window update list. Mine was the 1511 64 bit version. Download worked, installed and another reboot.



    After reboot check Windows Updates and KB3135782 shows error but continue with remaining updates anyway. All updates installed and another reboot. Finally getting some of the standard screens of percent of update during reboot.



    After restart Windows Updates briefly reports that some updates were not installed because the computer was turned off. Whatever, I don’t really believe you anymore Windows Update Service. Let’s check again and see for ourselves. Note that the update
    check this time took a significant amount of time which tells me it was rebuilding the catalog. Sure enough, the updates have succeeded and I have a few more to be installed. Another reboot and multiple checks came back clean.
     
    Netsbselim, Dec 24, 2022
    #4
Thema:

KB 5021233 fails "0x800f0900" "download error". Earlier 8/9/2022 KB 5012170 was...

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