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

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

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

Yet another Windows 11 bug has been discovered. This one stops some apps from working when handling files saved to the cloud.

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.

The first big Windows update of 2026 is a glitchy mess - here's the full list of bugs and fixes ...