Microsoft: September updates break File History backup feature

Microsoft has issued a warning that the File History backup feature in Windows may stop functioning on some systems after applying the September 2026 security updates. This issue affects the reliability of the built-in backup mechanism but does not indicate a security vulnerability or exploit. No specific affected versions or patch information have been provided.

• bleepingcomputer.com/news/microsoft/microsoft-september-updates-break-file-history-backup-feature/ (opens in a new tab)

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