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Category Archives: Update
Adobe Acrobat (Reader) DC 21.001.20150
[German]Adobe has released an update for the Adobe Acrobat (Reader) DC Windows installer to version 21.001.20150 on April 23, 2021. The release notes provide the download addresses for the Windows and macOS installers. Why the Windows packages were updated to … Continue reading
Windows 10 V1909: Preview Update KB5001396 (April 22, 2021)
[German]Microsoft has released the preview update KB5001396 for Windows 10 version 1909 on April 22, 2021. One of the new features is the introduction of the "News and Interests" function in the Windows 10 Taskleist (was already going around the … Continue reading
Windows 10: EOL for v1909 soon and Reliability Updates KB4023057 shipped again in April 2021
[German]Is something happening with Windows 10 version 21H1, because Microsoft probably distributed the preparatory update KB4023057 to machines with Windows 10 again? The update is supposed to improve the reliability of the Windows Update service. In addition, Windows 10 version … Continue reading
Veeam Backup for Microsoft Office 365 5b Cumulative Patch KB4135
[German]Small note for users of Veeam Backup for Microsoft Office 365 5b: There is the cumulative patch KB4135. Blog reader Michel P. recently pointed it out to me and posted this link. There the prerequisites and improvements for the patch … Continue reading
Thunderbird 78.10.0 released
[German]The developers of the Thunderbird email client have released Thunderbird 78.10.0 on April 19, 2021. It is a maintenance update for the 78 main version of the email client, which fixes various bugs and vulnerabilities.
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 ...
Firefox 88.0.0 and 78.10.0esr
[German]Mozilla's developers have released versions 88.0.0 and 78.10.0 of the Firefox browser on April 19, 2021. This is a new development branch for FF 88 and a security update for the ESR, which fixes vulnerabilities and bugs.
Patchday Review & Issues (April 2021)
[German]On April 13, 2021, Microsoft released a slew of security updates for Windows and other Microsoft products. In the context of a patchday recap, I would like to summarize some information about these updates.
Adobe Acrobat (Reader) DC 21.001.20149
[German]Adobe has updated Adobe Acrobat (Reader) DC to version 21.001.20149 for Windows and macOS on April 16, 2021. See the release notes for download addresses for the Windows and macOS installers. Two issues are fixed: FDF documents cannot be opened … Continue reading
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.
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


