Forum Discussion
October 2026 Windows Update causing major issues
We have had about 50 computers in our organization giving boot failures after Windows restarts to apply the October update, KB5127648. Affected machines are Dell devices, both laptops and desktops. T...
Microsoft send me this:
The fix for this issue has been released for the following OS:
Windows 11 26H2 | KB5127936 |
Windows 11 25H2 | KB5127936 |
Windows 11 24H2 | KB5127936 |
Windows 11 23H1 | KB5127653 |
You can download the KBs from https://catalog.update.microsoft.com/Search.aspx?q=KB5127936
https://support.microsoft.com/en-us/servicing/os/windows-11/2026/10/kb5127936-windows-11-25h2-26h2-update
rollback and install this KB and its work for me now.
This is their monthly preview update. Did they say anything related to how this resolves the issue? Or what the root cause may have been?
