A bug in the Windows Sept patch Tuesday update may stop File History from working. But a new optional update fixes it.

Microsoft just released optional update KB5124010 for Windows 11 25H2 and 24H2, which brings several improvements but also fixes the File History issue below. The same fix is also available via update ...

Microsoft warned that the built-in File History backup feature in Windows may stop working on some systems after installing ...

Microsoft has fixed a known issue that breaks the built-in File History backup feature on some Windows systems after installing the September 2026 security updates.

The Windows 11 File History bug can stop backups and falsely ask users to reconnect a drive. KB5124010 includes the fix.

Microsoft has issued a warning to Windows users who rely on the File History that the backup feature may not function after installing the September 2026 ...

Microsoft confirms September 2026 Windows updates can break File History, stop new backups, and trigger “Reconnect your drive ...

Windows 11 KB5124010 adds smarter WinRE Wi-Fi recovery, removes PC-to-PC Migration, fixes Camera and File History issues and ...

Windows 11's September optional update improves File Explorer previews, fixes File History, and targets Bluetooth connectivity bugs.

Microsoft confirms File History backups are silently failing after September 2026 Windows updates. Here's what is affected and how to check your system for errors.