Microsoft confirms a server-side bug broke Store-based app activation, affecting apps like Notepad with 0x803F8001 error.
Microsoft's January 2026 security update has broken Windows 11 apps like Notepad and Snipping Tool, introducing dual bugs ...
Many Windows 11 users are unable to open apps on their PCs and are running into error code 0x803f8001.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results