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Category Archives: Windows
Window: Issues with AllowNtAuthPolicyBypass (CVE-2025-26647)?
[German]In April 2025, an update was released to close the CVE-2025-26647 vulnerability in Kerberos authentication. A blog reader pointed out to me in mid-July 2025 that the registry value AllowNtAuthPolicyBypass had been introduced. However, he encountered problems related to the … Continue reading
Windows: Freezes on Remote Desktop Server due to Trend Micro
[German]I received a reader report complaining about problems with Remote Desktop Server. Various customers are experiencing freezing issues with virtualized Windows Server instances. The strange thing is that this effect occurs at a specific time of day. It could be, … Continue reading
Posted in issue, Security, Software, Windows
Tagged issue, Remote Desktop, Trend Micro, Windows Server
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Windows 10/11: Preview Updates August 26,/29, 2025
[German]Microsoft released the optional cumulative (preview) update KB5063842 for Windows 10 22H2 on August 26, 2025. In addition, the preview update KB5064080 for Windows 11 22H2 – 23H2 has been released. These updates contain fixes that can be tested and … Continue reading
AutoCAD, Firefox, SAP requests admin rights after Windows August 2025 updates (MSI error 1730)
[German]The security updates for Windows released on August 12, 2025, have caused some "collateral damage." Users of the Autodesk product AutoCAD are encountering a problem after installing the August 2025 updates on various Windows versions, whereby administrator rights are suddenly … Continue reading
Is Office 365 been causing HP printer/scanner malfunctions since August 18, 2025?
[German]Last week, I received a reader's tip about a problem involving Microsoft 365 Office apps and HP multifunction devices with scanning functionality. Since August 18, 2025, there have been increasing reports that scanning no longer works in this environment. HP … 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 ...
Open Source AppLocker Policy Generator
[German]Another small finding from the Internet that may be helpful for administrators who work with AppLocker in corporate environments to set application restrictions. The AppLocker Policy Generator promises to support system administrators and security experts in creating and managing AppLocker … Continue reading
Windows: Certificate spoofing vulnerability CVE-2025-55229; and MDT vulnerability CVE-2025-55230 (August 21, 2025)
[German]All supported versions of Windows (clients and servers) contained a certificate spoofing vulnerability (CVE-2025-55229) – already fixed in May 2025. On August 21, 2025 updated the support article and listed updates to fix the issue. On August 21, 2025, the … Continue reading
Windows 10/11: Aug. 2025 updates cause streaming problems
[German]Noch ein kleiner Nachtrag vom August 2025 Patchday. Das kumulative Update KB5063878 für Windows 11 24H2 oder das Update-Pendant für Windows 10 21H2-22H4 verursachen Leistungsprobleme beim NDI-Streaming. Microsoft hat es zum 21. August bestätigt, Blog-Leser hatten ebenfalls darauf hingewiesen. Es bleibt … Continue reading
Posted in issue, Update, Windows
Tagged issues, Patchday 8.2025, Update, Windows 10, Windows 11
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Windows 11 24H2: Microsoft investigates reports of SSD issues caused by KB5063878
[German]Microsoft is investigating reports that the cumulative security update KB5063878 released on August 12, 2025, for Windows 11 24H2 is causing serious SSD problems. At the same time, Redmond is asking those affected to report the issue.
Windows 10/11: Out-of-Band-Updates KB5066188 / KB5066189 (19. Aug. 2025)
[German]On August 19, 2025, Microsoft released the previously announced out-of-band updates for Windows 10 (KB5066188) and Windows 11 (KB5066189). These updates replace the regular updates from August 12, 2025, and are intended to resolve the reported issue with the broken … Continue reading