Blog is (temporary) discontinued

I decided to stop publishing manual translated articles within this blog, because I can't monetarize it in a reasonable way (I will probably earn 3-5 US Dollar a month). For my international reader, please visit my main German blog Borns IT- und Windows-Blog. I've added Google translate to switch to English or other languages as well. Thanks.
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Crude root cause of packet loss with a WiFi connection

[German]A little story from the campfire as a Sunday sermon that caught my attention this week. One user had a problem with repeated packet loss on his WiFi connection. He set out to investigate and stumbled upon an incredible story. No, it wasn't the cat that had chewed through the cables.

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Virtualbox 7.1.12 and 7.2.2: Vulnerability CVE-2025-62641

Virtualbox[German]It has just been announced that Virtualbox 7.1.12 and 7.2.2 contain the CVE-2025-62641 vulnerability. This could allow attackers to take over the host. There are also other vulnerabilities in these versions. Virtualbox 7.1.14 and 7.2.4 provide a remedy.

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Critical vulnerability CVE-2025-54236 in Adobe Commerce (Magento)

Sicherheit (Pexels, allgemeine Nutzung)[German]A critical vulnerability, CVE-2025-54236, has been found in Adobe Commerce software (formerly Magento). Adobe Commerce allows unauthenticated attackers to upload files and, ultimately, even take over accounts. The vulnerability has been assigned a CVSS 3.1 score of 9.1 (on a scale of 1 to 10) and is classified as critical.

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Microsoft OneDrive and AI facial recognition in family photos

OneDrive[German]I'm bringing up another topic that actually shows that it prohibits the use of Microsoft OneDrive for storing personal content. That's because Microsoft is testing AI-powered facial recognition using family photos stored on OneDrive.

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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 25H2: Umlaut bug affecting Azure OneDrive users

OneDrive[German]A German user pointed out a major umlaut bug in OneDrive that is causing problems for Azure users. Clients running Windows 11 25H2 cannot access OneDrive if the Azure username in the profile contains an umlaut.

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Windows Server: Out-of-Band Updates for WSUS vulnerability CVE-2025-59287 (Oct. 23, 2025)

Windows[German]There are out-of-band updates (e.g., KB5070883 for Windows Server 2019) that Microsoft released on October 23, 2025. The purpose of these emergency updates is to close a critical vulnerability in WSUS. The remote execution vulnerability CVE-2025-59287 has been rated with a CVSS score of 9.8. OOB updates have been released for all server editions still available. Administrators should take action.

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Windows file preview broken with Oct. 2025 update: Microsoft explains why it's by design – Part 2

Windows[German]The security updates for Windows released on October 14, 2025 cause the preview of files (e.g., PDF documents or Office documents) in Explorer to be blocked in some cases. I described the problem in Part 1. On October 22, 2025, Microsoft published an FAQ on this topic—this is by design and for security reasons.

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Windows: File preview in Explorer broken after October 2025 update – Part 1

Windows[German]Die Oktober 2025-Updates für Windows scheinen einen negativen Effekt auf die Vorschau von Dateien im Explorer zu haben. Mir liegen Berichte vor, dass PDF-Dokumente oder andere Dokumentdateien nicht mehr in der Vorschau geöffnet werden – speziell, wenn sie auf Netzwerkfreigaben liegen.

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Windows 11 24H2-25/H2, Server 2025: SID duplicates cause NTLM/Kerberos authentication errors

Windows[German]On October 21, 2025, Microsoft issued a statement regarding a problem with NTLM/Kerberos authentication. Authentication errors occur in these operating systems when SIDs are identical on multiple computers and certain updates from August or September 2025 are installed. This is a problem that can arise when cloning installation images.

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