Windows 10 KB5122878 is out with the September 2026 Patch Tuesday update, bringing security improvements and important fixes.

Microsoft has released the Windows 10 KB5122878 extended security update, which includes this month's record-breaking 2026 Patch Tuesday fixes, along with a few bug fixes.

Microsoft's September Patch Tuesday serves up lots of fixes and patches for both versions of Windows but doles out the coolest features to Windows 11. Hey Windows users, it’s time once again to ...

ESU coverage for Windows 10 is being extended through October 2027.

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 installing the September 2026 ...

Forbes contributors publish independent expert analyses and insights. Zak Doffman writes about cybersecurity, surveillance and privacy. This update mistake has finally been fixed. Updated on Nov. 5 ...