Category Archives: issue

Windows 11: File Explorer has a Memory Leak

Posted on 2021-10-09 by guenni

[German]In the just released Windows 11, there seems to be a memory leak in Explorer. The file manager grabs memory during operation and does not release it again. The bug has already been reported by Windows Insiders, but is probably … Continue reading →

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Facebook, Instagram and WhatsApp have problems again (2021/10/08)

Posted on 2021-10-08 by guenni

[German]After the six-hour major outage of Facebook services on October 4, 2021, it seems that today, October 8, 2021, there is also a hitch again in Facebook and the services Instagram and WhatsApp. I was just still able to access … Continue reading →

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Facebook explains the causes of the big outage

Posted on 2021-10-06 by guenni

[German]On 4.10.2021, there was a six-hour service outage at Facebook at around 17:30, which also included the Instagram and WhatsApp services. I had reported in the post Facebook, Instagram and WhatsApp worldwide down. Now Facebook has provided a more comprehensive … Continue reading →

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Facebook, Instagram and WhatsApp worldwide down

Posted on 2021-10-04 by guenni

[German]Currently (2021/10/04, 19:50 MEZ) there is a worldwide major disruption at Facebook, which also includes the services Instagram and WhatsApp. The disruption has already been going on for a few hours, and the US giant's users are in an uproar … Continue reading →

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Let's Encrypt certificate trouble with Windows, Sophos UTM, macOS/iOS (2021/09/30)

Posted on 2021-09-30 by guenni

[German]As of September 30, 2021, some root certificates that Let's-Encrypt used to sign user certificates expired. This meant that certain devices or applications could no longer access websites or mail servers. I have seen cases with iOS 14/15 and macOS, … Continue reading →

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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 ...

Outlook.com: IMAP-XOAUTH2 login fails – some mail clients affected

Posted on 2021-09-29 by guenni

[German]Microsoft seems to have recently changed the authentication for the IMAP protocol on its Outlook.com email service. It is no longer possible to use XOAUTH2, so some mail clients refuse to cooperate. Here is a brief overview of the situation.

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Windows 10: Microsoft fixes issues with Sept. update using KIR

Posted on 2021-09-27 by guenni

[German]In September 2021 updates for Windows 10 could cause issues: Some applications no longer started or could no longer access their data. The cause is a problem in the Microsoft Exploit Protection Export Address Filtering (EAF) function. Microsoft has confirmed … Continue reading →

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Fix for sporadic login error 0xC0070057 in Office apps and Teams

Posted on 2021-09-24 by guenni

[German]Microsoft Office Apps (Office 365) and especially Teams occasionally cause the problem that the login fails with the error 0xC0070057 since about July 2021. The application in question, such as Microsoft Teams, can then no longer be used. Now there … Continue reading →

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Adobe Reader DC 21.007.20091 crashes with error 0xc0000142

Posted on 2021-09-21 by guenni

[German]Adobe has released a security update for Adobe Acrobat (Reader) DC to version 21.005.20091 on September 14, 2021, which is intended to eliminate critical errors. The problem with this is that on some systems, Adobe Reader DC 21.007.20091 cannot be … Continue reading →

Posted in issue, Software, Update | Tagged , , | 7 Comments

Windows September 2021 Update: Workaround for some printing issues

Posted on 2021-09-20 by guenni

[German]For patchday on September 14, 2021, Microsoft has released security updates for the supported Windows systems, which should also eliminate further PrintNightmare vulnerabilities. However, these updates cause problems so that network printers can no longer be controlled. In some cases, … Continue reading →

Posted in issue, Update, Windows | Tagged , , , , | 6 Comments