Category Archives: Update

Patch, because Exploit for Windows http-sys vulnerability CVE-2021-31166 available

[German]Another small security note for administrators of Windows systems who have not yet installed the May 2021 security updates or had to uninstall them due to problems. The May 11, 2021 updates closed the http-sys vulnerability CVE-2021-31166. Since the weekend, … Continue reading

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Thunderbird 78.10.2

[German]The developers of the Thunderbird email client have released Thunderbird 78.10.2 on May 17, 2021. It is a maintenance update for the 78 major version of the email client that fixes several bugs and vulnerabilities.

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Windows 10 May 2021 Update (21H1) released (May 18, 2021)

[German]The long wait is over for impatient Windows 10 users. Microsoft has released the so-called Windows 10 May 2021 Update on May 18, 2021. This version 21H1 is the first feature update for the year 2021, but brings almost no … Continue reading

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Windows 10 Version 2004/20H2: Audio issue "high-pitched noise" after Update

[German]New issue for users of a Windows 10 versions 2004, 20H2 (and the upcoming 21H1). After updates, audio problems with 5.1-channel sound can occur with installed preview update KB5000842 from March 2021. Microsoft is currently investigating this bug.

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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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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 ...


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.

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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.

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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.

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Adobe Acrobat (Reader) DC 21.001.20155

[German]Adobe released a security update for Adobe Acrobat (Reader) DC to version 21.001.20155 on May 11, 2021. The release notes provide download addresses for the Windows and macOS installers. Security bulletin APSB21-29 states that the update to the product is … Continue reading

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Patchday: Windows 7/Server 2008 R2-Updates (May 11, 2021)

[German]As of May 11, Microsoft has released various updates for Windows 7 SP1 systems that are still in ESU support. However, these security updates are also available for Windows Server 2008 R2 with ESU support. Here is some information about … Continue reading

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