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

Reconnect it and then tap or click to keep saving copies of your files. Or even- Your files will be temporarily copied to your hard drive until you reconnect your File History drive and run a backup.

If File History is not working and the Doesn’t recognize this drive error keeps troubling you, this post may help you. File History in Windows 11/10 allows users to ...