Update firefox

is great system but i got message from Firefox
See my attachments!!
How can fix that tryed install crome but not luck


Can some here answer me why get that message, i tink is root must do that have wrong , is coming up 4-5 times /day

Firefox will be updated by UCS, not by Firefox itself.
Open the Firefox preferences, go to Advanced → Update and disable the Update-check.

Daniel Tröder