https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=&cad=rja&uact=8&ved=2ahUKEwily9CQ05T_AhUDdt4KHVnuAocQtwJ6BAgoEAI&url=https%3A%2F%2Fww...
It probably wouldn't run the command because you did not type it correctly. sfc /scannow is the correct command.
Another link to read and get a full explanation on Rebuild of MBR. https://pureinfotech.com/repair-master-boot-record-mbr-windows-10/
Have a look in this link as I think this may be the cause of your problem. UEFI requires GPT MBR " Legacy BIOS....
I've just looked in to see what stage you're at and suggest you try this for MBR. How to rebuild MBR in Windows 10? Fix the MBR in Windows 10...
Have you followed this process: Right click on Start > Settings > Apps > Installed Apps > scroll down to Microsoft One Drive > click on 3 dots on...
https://learn.microsoft.com/en-us/windows-server/storage/disk-management/change-an-mbr-disk-into-a-gpt-disk If you have a look here, you will see...
I read your Post #15 again and wondered whether the workstations are on a Network which may effect the process. Let's know how EaseUS works for you.
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