• Update History versus Uninstall Update

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    I have Win 10 v 21H2. When I downloaded updates for September, using wushowhide, I hid KB5017858 (cumulative preview). Then when I checked Update History I saw KB5017858 was installed!? I then went to Uninstall Update to remove it, but it does not appear in the list!

    Is the Preview really installed? If so, why does it not appear in Uninstall Updates?
    If it is installed, how can I remove it?

    What am I missing? Would appreciate any help!




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    • #2483455

      KB5017858 is the Cumulative Update Preview for .NET Framework 3.5, 4.8, and 4.8.1. It is actually a BUNDLE. It contains:

      KB5017262 .Net Framework Preview 3.5/4.8
      KB5017266 .Net Framework Preview 3.5/4.8.1

      You will see the Cumulative Preview KB in Windows Update (and in the Update History), but you will not see the individual updates in the bundle.
      When the update is installed, Windows Update will install either KB5017262 or KB5017266, depending on which versions of .NET Framework are installed on your computer. It will be one of these that shows up in Installed Updates, not the Cumulative CU.

      See #2482929 for a screenshot of a similar situation.

      Just consider it’s Microsoft – ’nuff said. 🙂

      3 users thanked author for this post.
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