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Category Archives: issue
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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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
MC1269861: Deleted OneDrive files do not always go to the Recycle Bin
[German]Another update from April 3, 2026, affecting Microsoft OneDrive users. On that date, Microsoft announced that starting in May 2026, files deleted from the OneDrive cloud will no longer appear in the local Recycle Bin. However, recovery via the OneDrive … 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 ...
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
Veeam Backup Issue with MS 365 Mailboxes due to the EWS retirement in March 2026
[German]A quick note to blog readers who use Veeam Backup 365. Back in November 2025, there were already issues with the integration between Veeam Backup and Microsoft 365 mailboxes. Now, a reader has once again reported the Veeam Backup issue … Continue reading
Outlook Classic: Email sending issue resolved
There was an issue sending emails in Outlook Classic when using a mailbox on outlook.com. This caused the operation to trigger an NDR error 0x80070005-0x0004dc-0x000524. The issue has since been resolved. I have added this information to the German post … Continue reading
Windows 11 24H2 – 25H2: OOB Preview Update KB5086672 with issues (March 31, 2026)
[German]On March 31, 2026, Microsoft released the Preview Update KB5086672 as an out-of-band update for Windows 11 24H2–25H2. It is intended to resolve the issues caused by the withdrawn Windows 11 Preview Update KB5079391. However, based on the information I … Continue reading
Microsoft Outlook Classic: Workaround for crashes caused by the Teams Meeting add-in
[German]There is an issue with Outlook Classic where the client crashes on startup due to a faulty Microsoft Teams Meeting add-in. As far as I know, Microsoft is still investigating this problem. Below, I have compiled some workarounds for those … Continue reading