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

Many users who have installed the latest September security patches for Windows have found that the “File History” feature no longer works—deleted or corrupted files can no longer be recovered. File ...

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

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.

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

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