Windows 10 2xH2 stucks with error code 0x80073712 for this reasons!!
Run the Windows Update Troubleshooter provided in Windows 10
Run the DISM Tool to fix corrupt files
Delete the Windows Update cache
Delete Temporary Files
Stop Services and Restart them
Rename Windows Update folders
Check the CBS.log files and Repair
Repair Hard-Drive Errors
Run Microsoft Online Troubleshooter
Install new Windows 10 with Media Creation Tool