Author Archives: guenni


Exchange Online down? (January 17, 2022)

Exchange Online has been down on January 17, 2022, where users have problems accessing their Exchange Online mailboxes and calendars. It seems to affect mainly the regions Australia, North America and Japan. But I also got reports from Europe and … Continue reading

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Microsoft Microsoft Januar 2022 Patchday Revisions (2022/01/14)

[German]As of January 11, 2022, Microsoft has released a number of security updates for Windows and Office that are supposed to eliminate vulnerabilities. However, some of these updates caused problems, disrupting functions in Windows. On January 14, 2022, Microsoft released … Continue reading

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REvil ransomware Group took down in Russia by FSB

[German]The Russian Federal Security Service (FSB) has reportedly raided homes and arrested suspected members of the REvil ransomware group at the request of U.S. law enforcement. In the process, 500,000 euros and 600,000 US dollars in cash were seized. The … Continue reading

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Edge 97 automatically opens during login

[German]I'm once again addressing an issue with Microsoft's Edge browser into the blog. A reader informed me that in his environment (university), Edge 97 opens automatically upon login – an annoying endeavor. Here is some information on what I found … Continue reading

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Firefox 96.0.1 released

[German]On January 14, 2022, Mozilla developers released version 96.0.1 as a maintenance update of the Firefox browser to correct a bug. According to the release notes, there is a bug fix: Addresses proxy rule exceptions not working on Windows systems … Continue reading

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Adobe Acrobat (Reader) DC 21.011.20039, Install error and open Bugs

[German]On January 11, 2022 there was a security update for Adobe Acrobat (Reader) DC to version 21.011.20039. Furthermore, the last few days some users have contacted me to report open bugs. Here's an overview about that topics. Advertising

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0patch fixes RemotePotato0 vulnerability in Windows

[German]The ACROS Security team around founder Mitja Kolsek has just developed a micro-patch to close a Local Privilege Escalation vulnerability of Windows. The patch is available free of charge for all customers with the 0patch agent until Microsoft closes this … Continue reading

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Microsoft patch day issues Jan. 2022: bugs confirmed, but updates not pulled

[German]The January patch day 2022 (January 11, 2022) brought administrators of Windows Server systems into serious trouble: Hyper-V is bricked, DCs are force into boot loops, ReFS has been removed, IPSec VPN connections are broken, and so on. Microsoft has … Continue reading

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Ubuntu 21.04: Support ends January 20, 2022

Small hint for people who are still using Ubuntu 21.04. This was released on April 22, 2021, as you can read here. According to this page, support expires in January 2022 – has it a bit more precise in … Continue reading

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Firefox 96.0 und 91.5.0 esr; Issues with web site access – but it's fixed now

[German]Mozilla developers have released version 96.0.0 with some new features and 95.5.0esr of the Firefox browser on January 11, 2022. However, with the new Firefox 96 there was problems accessing various websites. Here is the information on how to fix … Continue reading

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