Forum Discussion
The KB5124010 File History backup issue persists Unresolved issue from KB5101684
Current version: Laptop: Windows 11 25H2 OS Build 26200.8973 Desktop: Windows 10 22H2 OS Build 19045.7725 After installing KB5124010, the previous KB5124008 issue was resolved, and the scheduled b...
I received this update: 2026-09 Preview Update (KB5124010) (26200.9550)
After I installed it the problem was fixed and is now working as it did before.
Glad to hear it worked for you! Unfortunately, you seem to be among the lucky ones.
Numerous reports from Windows Latest, Japanese tech communities, Microsoft Community Hub, and multiple Feedback Hub tickets (aka.ms/AA13n22w, aka.ms/AA13n2f3) show that while KB5124010 fixed the connection error, the File History timestamp mismatch and missing "Previous Versions" bug are still actively broken for many of us on both Win 10 and Win 11. The issue is definitely not fully resolved globally yet.