Tried updating from 25295.1000.
Got to 100% and GSOD with error in FLTMGR.sys.
Reverted to a previous backup of the same release and it failed again with the same error.
Have you tried running sfc /scannow?
Have you run the Windows Update Troubleshooter?
Are all your drivers up to date?
Also please file this issue in the Feedback Hub. WIN+F