@bkg2k thank you very much.
Explained like that is really better.
For me, I work as a computer specialist in an hospital that counts about 6000 computers and hundreds of servers.
May you understand why it’s so important for me not to disturb medical activity and preserve patient when an update is made.
So in my position, making a fresh install is really impossible and we always work to make updates work.
I still thank you for your work and your patience