[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.
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.
- There are performance problems that lead to prolonged boot times on SSD drives (the bug has been known for a while, see Windows 11: March 14, 2023 updates slow down some (SSD NVME) boot drives).
- Windows Defender causes problems (LSA protection not enabled) and Windows Security reports that PM 2.0 is not installed (see also Windows 11: Defender LSA bug fixed by "removing settings", and more Defender/FASR issues …).
- Desktop icons do not respond, or icons disappear and reappear after installing the update.
- Windows Update hangs during installation or fails with unhelpful error messages.
- There are issues with the file explorer, taskbar and task manager and in rare cases blue screens (BSODs) occur.
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.
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