You can use Windows built-in tools such as or.
Safe Mode option 7 Reinstall System Software will delete all data on your PlayStation console and will also replace the system software.
This includes Sony expanding its range of cross-gen options, something that might surprise a few gamers.
Restore the backup that you have created.
Now, you come to the right place.
If you use wifi at home, make sure that the signal is not constantly disconnecting as this might interrupt the updates.