How to fix your Windows File History if the September update broke it

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

Windows 11’s File History bug is fixed, but it won’t install on its own

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: September updates break File History backup feature

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

Microsoft’s September Windows Updates Are Breaking File History Backups

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

Microsoft warning that September’s Windows update is breaking File History

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 fixes bug that broke Windows File History backup feature

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.
Windows Report on MSN

Windows 11 Insider Beta Build Adds Smarter Live Captions and Fixes File History

Windows 11 Insider Beta Build 26220.9492 adds smarter Live Captions and fixes Hyper-V sharing and File History backup ...
Notebookcheck

Microsoft September updates break File History backups

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.