Cannot boot on any OS

[Abdulrahman OMAR]

Good afternoon,

I was launching important Windows upgrades, then my PC restarted several times 
then I did another VAIO update.
I had to restart my computer again. At that moment, I had a GNU GRUB version 
2.00-12ubuntu1 terminal screen apprearing instead of normal boot on Windows. I 
have never had this console displayed before and I have never used any Ubuntu 
installations on that computer. I tried installations many years ago but it 
failed. There is a message "Minimal BASH-like editing is supported etc..."
Anyway, I tried to use different commands as indicated on different websites: 
exit, shift button or F12 hold, root but none of them worked. With ls I 
displayed (hd0), (hd0,gpt7), (hd0,gpt6), ..., (hd0,gpt1) and (cd0).
When exiting I noted the following message displayed very quickly before 
returning again to the terminal: "error: failure reading sector 0x0 from 
'cd0'.".

I do not have any installation CDs or USBs, but I don't think I have lost my 
Windows partition.

Could you please tell me how I can deal with that issue ? I would just like to 
retrieve my Windows 10 OS and if possible remove the GNU GRUB terminal so that 
I get an automated boot like previously.

Thank you very much for your help.

Greetings,

Abdulrahman OMAR