The error looks like this: We Couldn’t Update the System Reserved Partition.
Cause
The System Reserved Partition (SRP) may be full. The System Reserve Partition (SRP) is a small partition on your hard drive that stores boot information for Windows. Some third-party anti-virus and security apps write to the SRP, and can fill it up.
Resolution
Assign letter Y to SRP from CMD as administrator:
mountvol y: /s
y:
cd EFI\Microsoft\Boot\Fonts
del .
Ref: 11 Upgrade Error We couldn’t update the system-reserved partition
“We couldn’t update system reserved partition” error installing Windows 10 – Microsoft Support