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Windows 10 Updates - KB2267602 Security Intelligence update Fails to Install

Stan Kasper 1,396 Reputation points
2021-04-03T20:01:21.987+00:00

Today I took a generic Windows 10 20H2 machine and decided to update it with the 'keep nothing' option. After the initial install I set the proper time and did a WIndows Update. The update installs but hangs up on KB2267602 and gives me the error 0x80070643.

I am doing a fresh install and 20H2 bombs. Very sad.

Windows 10
Windows 10
A Microsoft operating system that runs on personal computers and tablets.
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  1. Barış S 66 Reputation points
    2021-05-06T06:42:09.077+00:00

    I had the same problem 10 minutes ago. Simply clicked "Pause updates for 7 days" and then "Resume updates". It reinstalled the same update correctly. I don't know if it would solve your problem but it's worth a shot.

    13 people found this answer helpful.
  2. S.Sengupta 19,741 Reputation points MVP
    2021-04-04T11:38:59.953+00:00

    Open an elevated command prompt windows, type the following commands one after the other, and hit Enter:

    net stop wuauserv
    net stop bits
    rename c:\windows\SoftwareDistribution SoftwareDistribution.bak
    net start wuauserv
    net start bits

    Open an elevated Command Prompt, type the following command one after the other and hit Enter:

    net stop cryptsvc
    md %systemroot%\system32\catroot2.bak
    xcopy %systemroot%\system32\catroot2 %systemroot%\system32\catroot2.bak /s

    Move to C:\Windows\System32\catroot2.
    Then, Delete everything from this folder.

    Now, Run the following command.
    net start cryptsvc

    Then, Check for the latest Windows update.

    See also:

    Windows Update Troubleshooter for Windows 10

    1 person found this answer helpful.
  3. Chris 6 Reputation points
    2021-11-12T21:07:18.227+00:00

    have tried the above as well as running .net fixer & nothing has worked as well as a repair install
    Windows update gets the updates & downloads them, install gets to 100% but then throws an error message (0x80070643)

    also tried the latest definitions from https://www.microsoft.com/en-us/wdsi/defenderupdates
    & running the installer, seems to do noting

    Now updating Microsoft edge from within edge still throws up the error with windows update, however now checking for updates directly within virus & threat protection has a spinning circle as though its trying - previously would only spin shortly before giving up but still has same result = Engine unavailable

    Note all other updates have installed fine, win 10 home v21h1

    1 person found this answer helpful.
    0 comments
  4. Maksat Menligulyyev 6 Reputation points
    2022-01-13T12:58:55.283+00:00

    I have the same problem. I cannot install the update.
    ![164813-image.png]1

    1 person found this answer helpful.
    0 comments
  5. Manuel Monteiro 6 Reputation points
    2022-05-20T08:04:28.237+00:00

    hello
    i am having the same problem....
    the way to fix it is running twice the troubleshooter.
    i resolve 2 errors like that.

    DA

    1 person found this answer helpful.

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