(Updated 1/26 to adjust Windows Server entries and links) Microsoft released today a resolution for an issue observed after installing the January 2026 Windows security update. This issue may cause applications that open or save files stored in cloud‑backed locations to become unresponsive or display errors. Some installations of Outlook may also become unresponsive and fail to open when PST files are stored in cloud‑backed storage such as OneDrive. An out-of-band (OOB) update was released today...
Applies to: Windows
Source: mc.merill.net — data via Merill Fernando's open archive (MIT).