Tag Archives: Windows

Microsoft Security Update Summary (September 9, 2025)

Posted on 2025-09-10 by guenni

[German]On September 9, 2025, Microsoft released security updates for Windows clients and servers, Office, and other products. The security updates address 81 vulnerabilities (CVEs), eight of which are critical, two of which were classified as zero-day vulnerabilities and are publicly … Continue reading →

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Operating system/Windows distribution (end of August 2025)

Posted on 2025-09-08 by guenni

[German]It's September 2025, and Statcounter has released its latest figures on desktop operating system distribution for the end of August 2025. With Windows 10 support ending in October 2025, Windows 11 is really the only option for many users. So … Continue reading →

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Windows 11 24H2/Server 2025: IIS Express TLS 1.3 compatibility issue

Posted on 2025-09-05 by guenni

[German]Since Windows 11 24H2 and Windows Server 2025, there have been problems (Error 500) when testing client certificates with ASP.NET against IIS Express. The reason for this is compatibility issues with TLS 1.3, which only occur with the above-mentioned operating … Continue reading →

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Microsoft confirms UAC issue in Windows after August 2025 update

Posted on 2025-09-04 by guenni

[German]The August 12, 2025 security updates for Windows have resulted in users of various products suddenly seeing a user account control prompt for administrator rights. Microsoft has now confirmed that the August 2025 updates are causing this problem in Windows … Continue reading →

Posted in issue, Update, Windows | Tagged , , , | 1 Comment

Windows: AutoPilot deployment hangs after accepting the Terms of Use (TOU)

Posted on 2025-09-04 by guenni

[German]I'm posting some information here in the blog for administrators who distribute Windows to devices using AutoPilot. It seems that the deployment process gets stuck immediately after accepting the Terms of Use (TOU). A meaningless error message appears and nothing … 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 ...

Window: Issues with AllowNtAuthPolicyBypass (CVE-2025-26647)?

Posted on 2025-08-29 by guenni

[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 →

Posted in issue, Security, Update, Windows | Tagged , , | 3 Comments

AutoCAD, Firefox, SAP requests admin rights after Windows August 2025 updates (MSI error 1730)

Posted on 2025-08-26 by guenni

[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 →

Posted in issue, Software, Update, Windows | Tagged , , , , , , | 5 Comments

Is Office 365 been causing HP printer/scanner malfunctions since August 18, 2025?

Posted on 2025-08-26 by guenni

[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 →

Posted in devices, issue, Office, Windows | Tagged , , , | 2 Comments

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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