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Category Archives: Windows
Windows Server 2025 Update KB5082063: Error 0x80073712 due to Media Player; and Error 0x800F0983
I have received several error reports related to the cumulative update KB508206, released on April 14, 2024, for Windows Server 2025. In some environments, the installation of this update fails with error code 0x80073712. Other machines fail with installation error … Continue reading
Posted in issue, Update, Windows
Tagged issue, Patchday 4.2026, Update, Windows Server 2025
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Windows Server 2016–2025: April 2026 Updates are causing domain controller reboots
[German]The cumulative updates released on April 14, 2026, for Windows Server 2016 through Windows Server 2025 (e.g., KB508206 for Windows Server 2025) cause domain controllers to reboot under certain conditions. I got some reports from my German blog readers during … Continue reading
Posted in issue, Update, Windows
Tagged issue, Patchday 4.2026, Update, Windows Server
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Windows Defender 0-days: BlueHammer (patched) and RedSun (unpatched)
There are several critical vulnerabilities in Microsoft Defender, that put Windows systems at risk. A security researcher has published an 0-day-exploit named BlueHammer on April 3, 2026, that has been patched on April 14, 2026. But there is still an … Continue reading
Remote Desktop Phishing Protection in the April 2026 Update Causes Confusion
[German]On April 14, 2026 (Patch Day), Microsoft released a fix for Remote Desktop to protect RDP connections against phishing attacks. Users now see a warning message when establishing an RDP connection. This has caused a lot of confusion and issues. … Continue reading
Posted in issue, Security, Update, Windows
Tagged Patchday 4.2026, Remote Desktop, Security, Update, Windows
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Windows 11 April 2026 Updates (KB5083769, KB5082052) triggers BitLocker Recovery
[English]The security updates KB5083769 and KB5082052 for Windows 11, released on April 14, 2026, are causing BitLocker issues. Microsoft has since confirmed this in updates to the support articles. However, the prompt for the BitLocker recovery key only occurs in … Continue reading
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 ...
Microsoft April 2026 updates for Office and Windows
On April 14, 2026 (the second Tuesday of the month, Microsoft's Patch Tuesday), Microsoft released cumulative updates for the still-supported client operating system versions of Windows 10 (with an ESU license) and Windows 11. Microsoft has also released security updates … Continue reading
Microsoft Security Update Summary (April 14, 2026)
[German]On April 14, 2026, Microsoft released security updates for Windows clients and servers, for Office, and for other products. The security updates address 163 vulnerabilities (CVEs), 8 of which are critical; 2 of these were classified as zero-day vulnerabilities (one … Continue reading
Posted in Security, Update, Windows
Tagged Office, Patchday 4.2026, Security, Update, Windows
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Windows 11 Enterprise LTSC 2024: Reset issue with hotfix KB5077212 / KB5079420
[German]Microsoft acknowledged an issue with the reset feature in Windows 11 Enterprise LTSC 2024 on April 9, 2026. If the hotfix KB5079420 from March 10, 2026 (and possibly also the hotfix KB5077212 from February 10, 2026) has been installed, there … Continue reading
Malware: Website hosting CPUID, HWMonitor, CPU-Z, etc., hacked
[German]Warning to users who use tools such as CPUID, HWMonitor, CPU-Z, etc. and updated it recently (between April 9, and April 10, 2026. The website where these tools were hosted and offered for download has fallen victim to a supply … Continue reading
Windows 11 25H2 Pro: Update KB5085516 is causing issues
[German]I received a report from a reader stating that the KB5085516 update for Windows 11 25H2 Pro is causing issues on the Windows desktop for this user. This affects how windows are displayed on the desktop, making it impossible to … Continue reading