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].
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