Why does Norton need so many passwords?

Today I went into my Norton's Acc. signed in
I then went to my Norton Lifelock, wrong password
I then went into Norton's Vault, wrong password
To top it off, Vault only works for mobile phones
So how do I back up my files in the Vault from a PC?
It would seem Norton's forgot where it's roots started from, desktop PC's, laptops are excluded from the Vault
Why can't the customers just have ONE PASSWORD for all of Norton's Products
Everytime I reset my password and then sign in, Norton then says WRONG PASSWORD
How in Gods name can my PASSWORD be WRONG after just resetting it
Norton's is just as BAD as STEAM, they too ask for 3 PASSWORDS for 3 different Depts.
SO CONFUSING, cause's so much STRESS