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

The first big Windows update of 2026 has bugs: Outlook freezes, app errors, and how to fix them ...

Windows 11 users are reporting a disruptive wave of application failures, with many unable to open essential system and third-party apps ...

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

Yet another bug in Windows 11 has left users unable to open apps like Notepad and Snipping Tool, as they are greeted with error code 0x803F8001.

Another new Xbox feature detailed in the January update blog is a game-save-sync indicator that will let players know in real ...

Many Windows 11 users are unable to open apps on their PCs and are running into error code 0x803f8001.

Microsoft is enforcing stricter Intune MAM security requirements, and enterprises that haven’t updated their iOS and Android apps will see them blocked from launching.