Backup is blocked!

HI,

c) MonoVersion : 4.2.1

d) Ah, I’m not sure I understand. It is true that all my data are on an external hard drive. I must, when I run the computer, “mount” the hard drive named “Données”. I did not find to mount it directly!

e) Ah, I’m not sure I understand.
For a moment I wanted to launch my backups at night.
So I followed the advice of the post:

So I may have created duplicates !!
Regards