Tag Archives: Windows

Windows TCP/IP implementation: Reset can increase network performance

Posted on 2024-09-13 by guenni

[German]Another addendum to the topic "Microsoft's TCP/IP implementation in Windows and the pitfalls". In the TCP implementation of Windows 10 and Windows 11, Microsoft has built in some pitfalls that severely limit the possible performance of TCP/IP connections. There may … Continue reading →

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Windows: Sept. 2022 Updates fixes "Item-Level Targeting" Bug in GPP

Posted on 2024-09-12 by guenni

[German]After installing the Windows security updates from August 13, 2024 GPP "Item-Level Targeting" was broken. It was no longer possible to select groups. Microsoft has now fixed this bug as of September 11, 2024 with the security updates for Windows. … Continue reading →

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Microsoft Security Update Summary (September 10, 2024)

Posted on 2024-09-11 by guenni

[German]On September 10, 2024, Microsoft released security updates for Windows clients and servers, for Office – as well as for other products. The security updates eliminate 79 vulnerabilities (CVEs), including seven critical vulnerabilities, four of which are classified as 0-day … Continue reading →

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Firefox 115 support for Windows 7, 8 and 8.1 until March 2025

Posted on 2024-09-10 by guenni

[German]Mozilla Firefox 115 still runs on Windows 7, 8 and 8.1, but has been in extended support for some time. It was previously known that the developers wanted to support this browser version until Q3 2024. The Mozilla developers have … Continue reading →

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Windows: Desktop icons are displayed with a gray X

Posted on 2024-09-09 by guenni

[German]Another little tip for Windows users regarding "desktop icons suddenly changed". It often happens that Windows suddenly overlays all or some desktop icons with a gray X symbol. Then good advice is expensive, because what is the cause and how … Continue reading →

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Windows: Side-Loading DLL attacks via licensingdiag.exe

Posted on 2024-09-01 by guenni

[German]I'm once again posting information here in the blog that I stumbled across recently. Anyone who is concerned about Windows security should keep an eye on the command line tool licensingdiag.exe. It is another "living of the land" tool that … Continue reading →

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Grzegorz Tworek has published his Offline SAM Editor

Posted on 2024-08-28 by guenni

[German]Brief information that may be of interest to administrators. Developer Grzegorz Tworek has now released his Offline SAM Editor, which was announced some time ago. The Offline SAM Editor is intended for IT professionals, researchers and security enthusiasts who want … Continue reading →

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Windows 11 (22H2 – 23H2): Update KB5041585 causes performance problems

Posted on 2024-08-24 by guenni

[German]Microsoft has fixed some security issues with the August 2024 update KB5041585 for Windows 11 (version 22H2 – 23H2). Under Windows 11, however, systems can suddenly become very slow and CPU utilization can increase. Microsoft has now been informed about … Continue reading →

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Microsoft responds to Linux boot bricked by Windows August 2024 update

Posted on 2024-08-22 by guenni

[German]The August 2024 updates for Windows have caused collateral damage for Linux users. By switching the boot mechanism to Secure Boot Advanced Targeting (SBAT), the Linux boot loader refused to start on dual-boot systems following the update installation. Microsoft has … Continue reading →

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Windows August 2024 updates breaks new Item-Level Targeting in GPOs

Posted on 2024-08-22 by guenni

[German]I'll pull out one topic separately, which was brought to my attention by readers in comments and also directly by email. Administrators who installs the security updates from the August 2024 patch day (August 13, 2024) on their Windows systems … Continue reading →

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