Category Archives: issue

Windows out-of-band updates with fix for Kerberos authentication ticket renewal issue

[German]Microsoft has been rolling out special updates for various versions of Windows Server since November 17, 2020. These are intended to solve the problems with Kerberos authentication of ticket renewals on domain controllers.

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Windows network printer offline/blocked due to Malwarebytes, fix available as beta

[German]Another short note for users of Malwarebytes security solutions. Since October 20, 2020, users have been reporting and complaining that their network printers are offline under Windows. In the meantime, Malwarebytes has released a beta version with a correction that … Continue reading

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macOS 11 (Big Sur) bricks older MacBooks

[German]This is not good news for Apple and especially Apple device owners. After Apple has released its macOS 11 (Big Sur), owners of older Macs (especially MacBook Pros) who have been bricked with the update will get in touch.

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Windows 10/Windows Server: Update KB4586781 causes issues with Kerberos DC authentication

[German]Short information for administrators in Windows 10 environments (version 2004 and 20H2), where Windows Server 2004/20H2 is already in use. Update KB4586781, released on November 10, 2020, causes issues with Kerberos authentication on domain controllers (DC) in very specific environments … Continue reading

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Windows 10 V2004: Clipboard issues after update KB4586781

[German]Brief information that I received through a blog reader. It has massive problems with the clipboard after installing the update KB4586781 for Windows 10 Version 2004. Is it a 'Cloud-Clipboard' flaw?

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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 8.1 Pro: Defender triggers alarm after installing KB4580347

[German]Does the monthly security quality rollup for Windows 8.1 KB4580347 trigger a false alarm for Windows Defender? A German blog reader told me that a few days ago by mail.

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Adobe Reader DC security update Nov. 2020 causes issues in SAP

[German]In early November 2020, Adobe released a major security update for Adobe Acrobat/Adobe Reader DC. However, there are problems on SAP systems because displaying PDF documents in SAP software leads to long loading times or crashes. Addendum: Group Policy to … Continue reading

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Outlook.com no longer deletes mail (2020-11)

[German]Users of the Microsoft e-mail service outlook.com are currently plagued by an annoying problem. If they delete a mail in their inbox, it will reappear as unread in their inbox shortly afterwards. Here is a brief overview of this issue … Continue reading

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YouTube is down (Nov. 12, 2020)

[German]Small information: Google's YouTube video service is down and seems to be having a worldwide outage. I stumbled uppon this at 0:29 am (CET) on November 12, 2020.

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Windows 10 20H2: Does Microsoft install Office PWAs again?

[German]Question: Did Microsoft install PWAs for Office Online under Windows 10 (version 20H2) again without your permission? I have received a corresponding message and I would like to get an idea of whether we have experienced an isolated case or … Continue reading

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