Windows 11 24H2: KIR fix for WSUS installation error 0x80240069 with update KB5063878

Windows[German]Update KB5063878 for Windows 11 24H2 from August 12, 2025, causes issues when installing via WSUS. It crashes with error code 0x80240069. Microsoft has now confirmed this issue in a support article dated August 14, 2025, and offers a KIR solution as a fix. Here is some information about it.

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Java 25 drops 32-bit support

Java 25, an LTS (Long-Term Support) version, is currently in the release candidate (RC) phase and is scheduled for release on September 16. According to this page, the 32-bit x86 port will be removed in this version – see also this article in The Register.

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Windows 11 24H2: Preview update KB5062660 causes CertificateServicesClient error events

Windows[German]With the preview update KB5062660 for Windows 11 24H2 released at the end of July 2025, another issues has crept in, as Microsoft confirmed on August 12, 2025. Once the update is installed, event management is flooded with CertificateServicesClient entries (ID 57). Here are a few information, what's up.

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Patchday: Microsoft Office Updates (August 12, 2025)

Update[German]On August 12, 2025 (the second Tuesday of the month, Microsoft Patch Day), Microsoft released several security updates for Microsoft Office 2016, as well as the C2R variants (Office 2016-2021 and 365) and other products. This month, serious vulnerabilities in Office were fixed. Below is an overview of the available updates.

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Is Fortinet 0-Day RCE Exploit being attacked? RCE vulnerability in FortiSIEM

Sicherheit (Pexels, allgemeine Nutzung)[German]Is anyone among our readers responsible for administering Fortinet products? At the moment, there are indications that Fortinet SSL VPNs are being targeted worldwide via various IP addresses. Something may be brewing. At the same time, I have come across information that an actor is selling a 0-day RCE exploit. Well, there is a critical RCE vulnerability in FortySIEM. I'll gather some information.

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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 ...


Windows 11 24H2: Update KB5063878 causes installation error 0x80240069

Windows[English]I have come across user reports in my German blog that the August 2025 update KB5063878 may cause issues during installation and fails. The update cannot be installed in Windows 11 24H2 and aborts with error code 0x80240069. Direct install on WSUS seems to work for some people. However, there may be a workaround. Addendum: A second workaround for WSUS that does not require registry changes has been added.

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Patchday: Windows Server Updates (August 12, 2025)

Windows[German]On August 12, 2025 (the second Tuesday of the month, Microsoft's patch day), various cumulative updates were released for the supported versions of Windows Server. Below, I have listed the updates provided, along with some details for these Windows Server versions (from Windows Server 2012 to 2025).

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Patchday: Windows 10/11 Updates (August 12, 2025)

Windows[German]On August 12 (the second Tuesday of the month, Microsoft's patch day), Microsoft released cumulative updates for the still-supported client operating system versions of Windows 10 and Windows 11. Here are some details about these updates, which are intended to fix vulnerabilities and issues.

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Microsoft Security Update Summary (August 12, 2025)

Update[German]On August 12, 2025, Microsoft released security updates for Windows clients and servers, Office, and other products. The security updates address 107 vulnerabilities (CVEs), one of which was classified as a zero-day vulnerability and was publicly known. Below is a brief overview of these updates, which were released on Patch Day.

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Exchange Server security updates August 2025

Exchange Logo[German]Microsoft released the "August 2025" security update for Exchange Server on August 12, 2025. The security update applies to Exchange Server 2016, Exchange Server 2019, and, for the first time, Exchange Server Subscription Edition (SE). Exchange Online customers are already protected and are not affected by the update.

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