What Microsoft confirms it did was quietly switch off Registry backups in Windows 10 eight months ago, despite giving users the impression this crucial safeguarding system was still working. As Ghacks spotted at the time, Registry backups would show “The operation completed successfully", despite no backup file being created.
LOL - I've used that feature before with 7 in an emergency and it works fine. I looked at mine in the system folder, and just like the link, they are all 0 byes in length. This started with 1803.
So to fix it, you have to run REGEDIT
https://support.microsoft.com/en-us/hel ... lder-start