Category Archives: Windows

Open Source AppLocker Policy Generator

Posted on 2025-08-24 by guenni

[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 →

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Windows: Certificate spoofing vulnerability CVE-2025-55229; and MDT vulnerability CVE-2025-55230 (August 21, 2025)

Posted on 2025-08-22 by guenni

[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 →

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Windows 10/11: Aug. 2025 updates cause streaming problems

Posted on 2025-08-22 by guenni

[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 →

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Windows 11 24H2: Microsoft investigates reports of SSD issues caused by KB5063878

Posted on 2025-08-22 by guenni

[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.

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Windows 10/11: Out-of-Band-Updates KB5066188 / KB5066189 (19. Aug. 2025)

Posted on 2025-08-20 by guenni

[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 →

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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 ...

August 2025 Patch Day Review: Upgrade Error 0x8007007F; Reset/Recovery Broken

Posted on 2025-08-19 by guenni

[German]The August 2025 updates introduced various bugs in Windows, which Microsoft has since confirmed. On some Windows systems (clients, servers), the upgrade to new versions fails with error 0x8007007F. In addition, the reset and restore functions are reportedly broken on … Continue reading →

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Windows 11 24H2: Does the Aug. 2025 update KB5063878 cause SSD errors?

Posted on 2025-08-18 by guenni

[German]There are reports that the cumulative security update KB5063878 released on August 12, 2025 for Windows 11 24H2 causes serious SSD problems. When transferring large amounts of data, errors are said to occur reproducibly when saving to certain SSDs with … Continue reading →

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Windows Server 2019: Update KB5063877 fixes cluster service bug

Posted on 2025-08-18 by guenni

[German]A brief addendum from last week's August 2025 patch day. Microsoft has fixed a cluster service bug that had been occurring for some time (since July 2025 patchday) in Windows Server 2019 with the KB5063877 update from August 12, 2025. … Continue reading →

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Windows Server 2025: Bug in the schema master role of the DC

Posted on 2025-08-17 by guenni

[German]Quick note to administrators who use Windows Server 2025 as a domain controller (DC). I have been informed that there is a bug when using the schema master role. The bug may lead to duplicate entries, which causes a schema … Continue reading →

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Windows Server 2025: HPE ProLiant DL325 server drops IRQL_NOT_LESS_OR_EQUAL BSOD after July 2025 update

Posted on 2025-08-16 by guenni

[German]I'm going to include a post here in the blog that a blog reader described to me a few days ago. An HPE ProLiant DL325 Gen10 Plus v2 running Windows Server 2025 triggers IRQL_NOT_LESS_OR_EQUAL blue screens (stop code 0x0000000a) in … Continue reading →

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