Update KB4576484 Closing several programs


  1. Rick7
    Posts : 3
    Windows 10 2004 ( Build 19041.508)
       New #1

    Update KB4576484 Closing several programs


    On Sept 8th Windows generously offered and installed 3 updates. Included was - KB4576484 Cumulative Update .NET Framework 3.5, 4.8 Windows 10 Sept. 8.

    After installation at reboot I found that 3 small programs by different authors from different continents no longer worked. The message was cryptic and gave no information other than: Error had occurred and the program would close. Any action taken closed the program.

    Over the past few days I have lived with the problem and this weekend I decided to do some testing. The solution was to uninstall kb4576484. With that removed everything went back to normal.

    Then today Windows update got me again and installed the missing kb4576484!!! I have turned off my updates for the max 30 days but I'd really like to let someone at MS know there is a problem or figure out how to disable this update until there is a fix?

    Any thoughts? Thanks,

    Rick
    Windows 10 1909 (OS Build 18363.1082)
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  3. dalchina
    Posts : 43,073
    Win 10 Pro (22H2) (2nd PC is 22H2)
       New #2

    Hi, it's easy enough to hide (block) an update. From the huge Tutorial section (well worth becoming familiar with and making use of this)

    Hide or Show Windows Updates in Windows 10

    Easier is to use a 3rd party tool such as WUMgr to scan, select and hide:
    Update KB4576484 Closing several programs-untitled.png

    Note- there will be subsequent updates to .NET framework which you could expect to include the same changes.

    I'd really like to let someone at MS know
    Other than phoning Satya Nadella you could try the Feedback Hub app (Win key + f)
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  4. Rick7
    Posts : 3
    Windows 10 2004 ( Build 19041.508)
    Thread Starter
       New #3

    Many thanks dalchina.

    Thanks for pointing me to the correct part of the tutorial! Excellent. I'll give it a try.
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  6. dalchina
    Posts : 43,073
    Win 10 Pro (22H2) (2nd PC is 22H2)
       New #4

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  7. Rick7
    Posts : 3
    Windows 10 2004 ( Build 19041.508)
    Thread Starter
       New #5

    I see there's an update to Cumulative Update .NET Framework 3.5, 4.8 Windows - KB4576947

    It seems to have addressed my problem. Thanks to all for the help.

    Rick
      My Computer
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  8. dalchina
    Posts : 43,073
    Win 10 Pro (22H2) (2nd PC is 22H2)
       New #6

    They have been issuing updates to that in quick succession. Seems odd..
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Source: https://support.microsoft.com/en-us/help/4576484 See also: https://devblogs.microsoft.com/dotnet/net-framework-september-2020-security-and-quality-rollup-updates/ Direct download links for KB4576484 MSU file from Microsoft Update...
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