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Last week, the company released the latest Windows 10 Creators Update, which includes new security features and support for new augmented reality perks that will work with “mixed reality” headsets and other hardware gear from Dell, HP hpq , and other hardware partners.
The software update was announced October 17, the same day the company previewed its new Surface Book 2 laptop/tablet combo platter. Soon after that, users who had upgraded their operating system on their own machines started posting about missing apps on the Microsoft support page.
The disappearing app problem was first reported by tech news site WindowsLatest.com. Microsoft could not be reached for comment. Fortune will update this story as needed.
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Microsoft msft has pitched these twice-a-year managed upgrades, called Creators Updates, as a way to distribute major new features, support for new hardware, and fixes to users in a predictable and organized way. Last spring’s update, for example, let users rely on Microsoft’s Cortana virtual assistant to set up their PCs.