There are various issues caused by the security updates for Windows released on January 13, 2026. Among other things, issues with Outlook Classic when retrieving POP mail or program freezes have been reported. On January 24, 2026, Microsoft released out-of-band updates for affected Windows versions to fix the problem. I've discussed the details in this article [use the translate option in the side bar of my German blog to read the article in English or other languages].
Brief information for administrators of Citrix Virtual Desktop environments. I received several reports, that after installing security update KB5074109 from January 13, 2025, for Windows 11 24H2 or 25H2, Citrix Director failed to work. The reason is, that Microsoft Remote Assist used by Citrix Director fails.
I was "informed" yesterday by email titled "Third-Party Data Breach Affecting Uphold Users", claiming, that there had been a "data breach" at a third-party provider affecting Uphold users. Uphold is a platform that provides a wallet for cryptocurrency. But this is just scam. I'll summarize some information and explain why you should probably should stay away from the whole thing.
An update to the new Outlook app, rolled out on December 5, 2025, causes issues. After that update, users recognized, that the app no longer starts. Clicking on the icon does nothing. Many users seems to be affected.
WordPress 6.9 was released on December 2, 2025 (I reported on this in the post 
[
[
[
[Social networks
Awards
MVP:
2013 – 2016
WIMVP:
2017 – 2020