Author Archives: guenni


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Windows 10: Version 1803, 1809 and 1909 has reached end of life

[German]On May 13, 2021, there were security updates for Windows 10 versions 1803 and 1809 in the Enterprise and Education variants for the last time on Patchday. And also for Windows 10 version 1909, the supply with security updates ends … Continue reading

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Windows 10: Update KB5003173 fails with error 0x800f0922

[German]Another short addendum to this week’s May patchday. Some users are finding that the Windows 10 cumulative update KB5003173 cannot be installed. Instead, the update installation fails with error 0x800f0922. The cause is the Legacy Edge browser removed from the … Continue reading

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Edge Edge 90.0.818.62

[German]Following Google’s Chrome update, Microsoft has released the Edge 90.0.818.62 update on May 13, 2021. The update fixes various vulnerabilities that have already been fixed in Google Chrome. Advertising

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Colonial Pipeline Attack: Wasted $5 Million and uses vulnerable Exchange Servers

[German]The dust is slowly lifting around the successful ransomware attack on the US utility Colonial Pipeline. In the meantime, it has become known that the company probably “wasted” a ransom of 5 million US dollars. There was a decryption key, … Continue reading

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DarkSide gang lost access to it’s servers

[German]The DarkSide cyber gang, responsible for many ransomware attacks provided “as-a-service” announced it’s shutdown after they lost control of it’s servers. They claim that their servers where seized and the cryptocurrency was transferred from their account to an unknown wallet. … Continue reading

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Caution: E-mails with fake appointment invitations (May 2021)

[German]SPAM e-mails with fake appointment invitations from unknown persons are piling up in mailboxes. The complaints about such fake invitations are raising. The scan is a clever way to steal and/or abuse data of the recipients. After I received such … Continue reading

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A new version of Windows 10 SetupDiag Tool

[German]Microsoft has updated a diagnostic tool called SetupDiag. SetupDiag is a standalone diagnostic tool that can be used to obtain details about why a Windows 10 upgrade was unsuccessful. I’ve introduced an older version within my blog post Windows 10: … Continue reading

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Microsoft’s confirmation of a WSUS sync issue – failing to receive updates (May 11, 2021)

[German]As of May 11, 2021, administrators found that no Windows updates were found in the Windows Server Update Service (WSUS). After a few hours, the problem resolved. Now Microsoft has confirmed the problem nor provided some hints. Advertising

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Patchday Microsoft Office Updates (May 11, 2021)

[German]On May 11, 2021 (second Tuesday of the month, Microsoft Patchday), Microsoft has released several security-related updates for still supported Microsoft Office versions and other products. Here is an overview of the available updates. Advertising

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FragAttack: Attack on WLAN devices

[German]German BSI and security researchers has issued a warning because a vulnerability called FRAGAttack allows millions of WLAN devices to be attacked locally. The vulnerability affects all WLAN standards (up to WPA3). Fortunately, this vulnerability can only be attacked if … Continue reading

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