Microsoft confirms a server-side bug broke Store-based app activation, affecting apps like Notepad with 0x803F8001 error.

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Microsoft's January 2026 security update has broken Windows 11 apps like Notepad and Snipping Tool, introducing dual bugs ...

Microsoft is rolling out new artificial intelligence features with the latest updates to the Notepad and Paint apps for Windows 11 Insiders.

More Markdown features are coming to Notepad.

Windows 11 users report Notepad, Snipping Tool, and other apps failing to open, showing Microsoft Store error 0x803F8001 on affected systems.