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

Microsoft warned that the built-in File History backup feature in Windows may stop working on some systems after installing the September 2026 security updates.

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 ...

Three decades ago, Microsoft introduced the Windows operating system, and though there have been some stumbles throughout its evolution, the technological changes it brought forth have been monumental ...

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. In a Saturday service alert seen by ...