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Category Archives: Update
Windows PCs at risk from WhatsApp flaw (CVE-2025-30401)
[German]A vulnerability in WhatsApp for Windows (before version 2.2450.6) puts Windows computers at risk. The vulnerability could allow attackers to execute malicious code via WhatsApp message attachments on Windows.
Windows: Kerberos PAC Validation Protocol in enforcement mode since April 8, 2025
[German]Quick reminder for administrators, in case anyone hasn't noticed. On the April 2025 patchday (8.4.2025), the "enforcement phase" for the hardening of the Kerberos protocol regarding the Kerberos PAC Validation Protocol came into force. This removed certain modes that could … Continue reading
Windows 11 24H2/Server 2025: Hello login fails after April 2025 updates
[German]The April 8, 2025 patch day has caused some collateral damage to Outlook, Excel and Word 2016. Some Windows users are also complaining that logging in via Windows Hello no longer works after installing the April 8, 2025 updates on … Continue reading
Posted in issue, Update, Windows
Tagged issue, Patchday 4.2025, Update, Windows 11 24H2
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Windows vulnerability CVE-2025-29824 attacked; install April 2025 updates
[German]There is a use-after-free vulnerability CVE-2025-29824 in Windows, which has probably already been exploited by ransomware groups. Microsoft has released security updates for April 2025 that also close this vulnerability. Users and administrators should therefore install the April 2025 updates … Continue reading
Windows 10/11: April 2025 updates create "inetpub" folder
[German]Small addendum from the April 2025 patchday (April 8, 2025) – due to all the bugs, I haven't gotten around to reporting another (cosmetic) error yet. In Windows 10 (2019 and 22H2) and Windows 11 (23H2 and 24H2), an empty … 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 ...
Office 2016 update KB5002623 fixes crashes in Excel, Outlook, Word (April 10, 2025)
[German]With the Office 2016 update KB5002700 from April 8, 2025, users are facing problems with Office 2016 applications. The update caused crashes in Excel, Outlook and Word. On April 10, 2025, Microsoft released the KB5002623 update for Office 2016, which … Continue reading
Posted in Office, Software, Update
Tagged fix, issues, Office 2016, Patchday 4.2025, Update
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Windows 10/11: All updates for Windows from the April 2025 patchday available
[German]Not all Windows security updates were ready for the patch day in April 2025 (April 8, 2025). For example, the update for Windows 10 (RTM version, version 1507) was completely missing. Microsoft has now delivered this update and also published … Continue reading
Posted in Security, Update, Windows
Tagged Patchday 4.2025, Security, Update, Windows 10
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Patchday: Microsoft Office Updates (April 8, 2025)
[German]On April 8, 2020 (second Tuesday of the month, Microsoft Patchday), Microsoft released several security-related updates for Microsoft Office 2016, as well as the C2R variants (Office 2016-2021 and 365) and other products. Below you will find an overview of … Continue reading
Posted in Office, Security, Software, Update
Tagged Office, Patchday 4.2025, Security, Update
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Word/Excel 2016 crashing after April 2025 update KB5002700
[German]Die Sicherheitsupdates vom 8. April 2025 für Microsoft Office scheinen einige Kollateralschäden zu verursachen. Neben dem Outlook 2016-Kalender-Problem scheint das Microsoft das Office-Update KB5002700 auch Word 2016 sowie Excel 2016 zum Absturz zu bringen.
Outlook 2016: Calendar access blocked after April 2025 update KB5002700
[German]On April 8, 2025, Microsoft released the Office update KB5002700 to close a number of vulnerabilities in Microsoft Office 2016. After installing this update, access to the calendar is no longer possible. However, there is a quick workaround.