Microsoft admits it broke a Windows 11 backup feature but it's now fixed

Date:
Thu, 24 Sep 2026 12:09:03 +0000

Description:
Microsoft has fixed a bug that killed a backup feature, but it needs to
regain the trust of users.

FULL STORY ======================================================================Copy link Facebook X Whatsapp Reddit Pinterest Flipboard Threads Email Share this article 0 Join the conversation Follow us Add us as a preferred source on Google Newsletter Subscribe to our newsletter A bug in Windows 11's September update broke File History Microsoft admitted the backup feature was scuppered and has apparently now fixed it However, the cure is in an optional update,
so it might be best to wait for the full release of the upgrade next month Microsoft has admitted that Windows 11 has a bug that messes up a backup feature in the OS, although a new optional update fixes it (but not quite fully).

Windows Latest reports what's been a slightly odd tale in that the bug in File History has been kicking about since the September update first emerged over two weeks ago, but Microsoft didn't acknowledge it even though it was a widely reported issue. File History is a feature that enables you to keep files backed up to an external drive, and while it doesn't see a whole lot of use these days, it's obviously important for those who do still avail themselves of the functionality. Latest Videos From TechRadar Watch full
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Microsoft informed Windows Latest that: "After installing the September 2026 Windows security update KB5124008, some customers using File History, might
be unable to create or update backups. File History is used to back up files to an external drive or network location."

The good news here is that the latest September update, which is optional it's a preview of the October update in fact does fix this bug, as confirmed by Windows Latest, but it seemingly doesn't fully iron out every issue with File History. You may like Microsoft admits Windows 11 update breaks audio but it's working on a fix How I think Microsoft's campaign to fix Windows 11 is going so far Windows 11's September update has arrived here are 3 key features

Windows Latest noticed a post on Microsoft's Learn portal from a user who confirms that the new September preview update does mean that File History is working again and making backups, but there still appears to be an issue with the 'Run now' ability and problems with synchronization of save times
therein.

However, this isn't a bug caused by Microsoft's recent work on Windows 11,
and in fact this glitch dates back to a Windows 11 update in July 2026. Get daily insight, inspiration and deals in your inbox Sign up for breaking news, reviews, opinion, top tech deals, and more. Contact me with news and offers from other Future brands Receive email from us on behalf of our trusted partners or sponsors By submitting your information you agree to the Terms & Conditions and Privacy Policy and are aged 16 or over. Analysis: update skeptics (Image credit: Mark Pickavance) At least File History appears to be cured of this latest feature-breaking bug, and hopefully the other problem highlighted on Reddit will be fixed before too long.

You don't necessarily want to download an optional update, of course, as it may bring in other bugs after all, it's still a beta. The safest bet is to wait for the October update to arrive in two and a half weeks (on October 13) and then install that as the remedy for your File History blues (while temporarily keeping backups a different way , manually or on OneDrive, in the meantime).

Windows 11 bugs have remained a problem throughout 2026, and every year
before for that matter (particularly with the 24H2 release). Microsoft still needs to do better in this regard considering this is one of the thornier issues that has continually dogged its OS, which it's busy fixing this year . What to read next Microsoft's investigating reports of games crashing after Windows 11 update Microsoft fixes Windows 11's nasty bugs with Dell laptops with one catch Windows 11 update packs some much-wanted features and very-much unwanted bugs

The trouble with the long-running overly buggy nature of Windows 11 is that it's making some users hold off updating the OS, and I don't mean for just a week or two. (I'd advise a week's breathing room in general myself, just to see if there are any major bugs or nasty showstoppers with any given update).

For example, this Redditor notes : "I am once again advising everyone to disable Windows updates. Let people test the bugs for a few months, then update. Your PC isn't gonna implode because you are 3 months behind on
Windows 11 versions."

This was in reply to a comment which simply asked: "Is there a Windows 11
core feature that hasn't been broken at least twice since release?"

Cynicism prevails around Windows 11 updates in many corners of the web these days, and I think this is something Microsoft needs to act on. Yes, Windows
is a very complex operating system that needs to cope with umpteen PC and device configurations, and a labyrinth of legacy features that must be maintained for a niche set of customers, but still that's ultimately not an excuse.

Something needs to be done to improve QA and testing, otherwise it's going to be difficult to declare that 'Windows 11 is fixed' next year, which is Microsoft's goal (presumably). Follow TechRadar on Google News and add us as
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Link to news story: https://www.techradar.com/computing/windows/microsoft-admits-it-broke-windows- 11-backup-feature-in-september-update-heres-how-to-fix-it-but-you-might-want-t o-hold-off


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