Windows 11 22H2: April 2023 Update KB5025239 is causing issues

Windows[German]As of April 2023, update KB5025239 for Windows 11 22H2 was released and fixes several vulnerabilities (including a remote code execution vulnerability CVE-2023-21554, see QueueJumper: Patch critical RCE vulnerability in MSMQ service). However, this update seems to cause issuesfor some users.


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I had already mentioned in my German blog post Windows Boot-Probleme in VMs zum April 2023 Patchday? DBX Secure Boot-Update re-released that Windows 11 22H2 users were prompted to re-enter the Bitlocker recovery key after installing cumulative update KB5025239. Robert also reported such a request on Dell PCs here.

Already in mid-April 2023 blog reader Andreas R. had pointed out further problems to me via mail (thanks for that). Windows Lastest has collected some user reports from reddit.com and Microsoft's Feedback Hub about bugs related to updates KB5025239 and KB5025224 in this post.

Especially the observation of users that the important security update from April 2023 slows down Windows 11 22H2 systems should be extremely unpleasant. You have this "great Windows 11" on modern hardware and then apps, games and the operating system suddenly run much slower because the patch has reduced something about the access speed to the SSD. The error messages in Windows Security regarding missing TPM or the LSA bug are also quite unattractive.

However, the errors do not seem to occur too often – or is anyone affected by these bugs? To call Windows 11 business-ready, as Microsoft does, seems to me to be a windy thing from this point of view and due to the many bugs.

Similar articles:
Patchday: Windows 11/Server 2022 Updates (April 11, 2023)
Invalid URLs in wsusscn2.cab (KB5023706, KB5025239) after UUP conversion
Windows 11: Defender LSA bug fixed by "removing settings", and more Defender/FASR issues …


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2 Responses to Windows 11 22H2: April 2023 Update KB5025239 is causing issues

  1. Roberto Mendo says:

    Hi Mr Born,
    I recently discovered your blog and thank you for the work you are doing.
    We manage a network of 150 Windows machines and he have also a WSUS server, where we manually release the updates. Regarding KB5025239 in our WSUS it is described as "Windows 11, version 22H2 x64 2023-04B" and is listed as "upgrade". It is proposed (Computer needed this update) to 69 PCs. Unfortunately, these 69 PCs (which actually have Windows 10 pro installed) have obsolete hardware and is not supported by Windows 11. In fact, they are mostly old machines with i3-2100 or i3-4130 processors. And so we don't want to risk release it. So we don't understand how this is possible… and don't know if this has happened to other people as well.
    Thanks.
    Best regards.
    Roberto

    • guenni says:

      From what I've heard, Microsoft accidentially released Windows 11 upgrade to machines, that are not eligible for (it's another mess). So block all updates, that doesn't fit for your machine – as an administrator, you are responsible for everything (if MS messed it up, you have to fix it).

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