Author Archives: guenni


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Gigaset: Roadblocks in cleaning up the malware attack (April 12, 2021)

[German]Older models of Gigaset smartphones have been attacked by malware via the manufacturer’s update servers from March 26, 2021 – and increasingly from April 1, 2021. The manufacturer, Gigaset, has issued the information Lösung Malware-Angriff Smartphones with instructions on how … Continue reading

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Edge 90.0.818.39 drops update error 0x800421F7

[German]As of April 15, 2021, Microsoft has released the Edge browser version 90.0.818.39. However, there is feedback from blog readers that error 0x800421F7 was reported during the update installation. Here is some information on the issue. Advertising

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Edge 90.0.818.39

[German]After the Chrome 90 release by Google, Microsoft has released the update to the Edge 90.0.818.39 on April 15, 2021. It is a new development branch with some new features, whereby the update which fixes various vulnerabilities that have already … Continue reading

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Exchange Update errors and information (April 13, 2021)

[German]The security updates for Microsoft Exchange released on April 13, 2021 was installable without problems for most users. However, there were isolated reports of problems, which I briefly summarize here. Advertising

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Google Chrome 90.0.4430.72: Vulnerabilities fixed and HTTPS as standard

[German]Google has released Google Chrome 90.0.4430.72 on April 14, 2021. It is a new development branch with some new features. The browser should be updated promptly, as Google closes 37vulnerability. Here is a brief overview. Advertising

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As of May 9, 2021, Microsoft will only use SHA-2

[German]Microsoft will only allow the more secure SHA-2 algorithm in its processes and services (including in TLS certificates, code signing and file hashing) from May 9, 2021. SHA-1 use will then no longer be possible. Advertising

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Patchday Microsoft Office Updates (April 13, 2021)

[German]On April 13, 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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Patchday: Updates for Windows 7/Server 2008 R2 (April 13, 2021)

[German]On April 13, 2021, Microsoft released various (security) updates for Windows 7 SP1 and Windows Server 2008 R2 with Extended Security Update (ESU) support. Here is the overview of these updates. Advertising

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Patchday: Windows 8.1/Server 2012 Updates ( April 13, 2021)

[German]On April 13, Microsoft released various updates for Windows 8.1. However, these updates are also available for Windows Server 2012 R2. Here is some information about them. Advertising

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Patchday: Windows 10-Updates (April 13, 2021)

[German]On April 13, 2021 (second Tuesday of the month, patchday at Microsoft), various cumulative updates for the supported Windows 10 builds were released. Here are some details about each update. Advertising

Posted in Security, Update, Windows | Tagged , , , | 2 Comments