Microsoft confirms a server-side bug broke Store-based app activation, affecting apps like Notepad with 0x803F8001 error.
Are you having trouble playing Minecraft because of the 0x803f8001 error that pops-up everytime you load the game? The complete error says: Check your account ...
Microsoft's January 2026 security update has broken Windows 11 apps like Notepad and Snipping Tool, introducing dual bugs ...
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