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Category Archives: Update
Windows Server: Out-of-Band Updates for WSUS vulnerability CVE-2025-59287 (Oct. 23, 2025)
[German]There are out-of-band updates (e.g., KB5070883 for Windows Server 2019) that Microsoft released on October 23, 2025. The purpose of these emergency updates is to close a critical vulnerability in WSUS. The remote execution vulnerability CVE-2025-59287 has been rated with … Continue reading
Windows file preview broken with Oct. 2025 update: Microsoft explains why it's by design – Part 2
[German]The security updates for Windows released on October 14, 2025 cause the preview of files (e.g., PDF documents or Office documents) in Explorer to be blocked in some cases. I described the problem in Part 1. On October 22, 2025, … Continue reading
Windows: File preview in Explorer broken after October 2025 update – Part 1
[German]Die Oktober 2025-Updates für Windows scheinen einen negativen Effekt auf die Vorschau von Dateien im Explorer zu haben. Mir liegen Berichte vor, dass PDF-Dokumente oder andere Dokumentdateien nicht mehr in der Vorschau geöffnet werden – speziell, wenn sie auf Netzwerkfreigaben … Continue reading
Windows 11 24H2-25/H2, Server 2025: SID duplicates cause NTLM/Kerberos authentication errors
[German]On October 21, 2025, Microsoft issued a statement regarding a problem with NTLM/Kerberos authentication. Authentication errors occur in these operating systems when SIDs are identical on multiple computers and certain updates from August or September 2025 are installed. This is … Continue reading
Windows 11 24H2-25H2: Out-of-band Recovery Update KB5070762
[German]Microsoft has released an out-of-band recovery update KB5070762 for Windows 11 24H2 and Windows 25H2 on October 20, 2025. This update is intended to update the Win PE environment and fix the issue caused by the October 2025 patch day, … Continue reading
Why ISL Online: Critical factors when choosing a remote desktop solution
[Sponsored Post]In the rapidly evolving IT world, choosing the right remote desktop software is critical for organizations that value security, ease of use and reliability. One provider of secure remote access that has been on the market since 2001 is ISL Online, which presents some considerations for choosing such software below. More ...
Windows 11 24H2-25H2: Out-of-Band-Update KB5070773 fixes USB keyboard and mouse issues in WinRE
[German]Microsoft has fixed the problems with USB keyboards and USB mice in Win RE with a special update KB5070773 for Windows 11. The problem was affected or fixed in Windows 11 24-H2 – 25H2. The affected USB devices should work … Continue reading
Windows 10/11 Recovery Updates (Oct. 14, 2025)
[German]As of October 14, 2025, Microsoft has released various recovery updates such as KB5067039 and KB5067019 for Windows 11 24H2 – 25H2. In addition, recovery updates such as KB5068164 and KB5067017 for Windows 10 22H2 have been released. Below is … Continue reading
October 2025 update causes smart card issues
[German]Addendum from last week, where security updates for Windows Clients and Windows Server were rolled out on October 14, 2025. Microsoft has admitted that these security updates cause problems with smart cards. Under certain circumstances, these may no longer be … Continue reading
Windows 10/11: USB keyboard/mouse doesn't work properly in WinRE
[German]A brief update from this week. Blog reader Ingo contacted me immediately after Patch Day because he had encountered issues with his mouse in Win RE. Microsoft has now officially confirmed that there may be issues with USB keyboards and … Continue reading
Windows 11 24H2/25H2: Localhost issues after October 2025 update KB5066835
[German]I'm posting a note here on the blog about patch day issues related to Windows 11 24H2/25H2. There are indications that the KB5066835 update from October 14, 2025 causes localhost to become unresponsive. Some users uninstalled the update to get … Continue reading