Microsoft Confirms September 2026 Windows Updates Break File History Backups
Microsoft September 2026 updates break Windows File History backups, prompting users to manually verify backup status.
Microsoft confirmed that September 2026 Windows security updates cause a regression where File History fails to create or update backups on some Windows 10 and 11 systems. Affected users may see persistent 'Reconnect your drive' warnings and outdated 'Last Backup' timestamps. Microsoft is developing a fix for a future update and advises users to validate backup contents independently.
- September 2026 Windows updates prevent File History from creating or updating backups on affected systems.
- Microsoft documents the issue with KB5124008 and KB5124012, affecting Windows 10 and 11 versions.
- Users are advised to verify backup status manually and use alternative backup solutions.
- Vendors
- Microsoft
- Products
- Windows 11Windows 10File History
- Victims
- Windows users
- Organizations
- Microsoft
From the original article
2 min read at cybersecuritynews.com
Microsoft has confirmed that its September 2026 Windows security updates can prevent File History from creating or updating backups on some systems. The regression places users who rely on the built-in feature at risk of assuming their files are protected when no recent backup has actually completed. File History is a Windows backup capability accessed […]
By Guru Baran · cybersecuritynews.com
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