remove the "see what's new" pop up:how to?

hi,i'm using firefox x64 under windows 10 and even if i'm logged,like every single page or 2 pages this damn pop up appears,is there a way tov remove it once for all?

Submitted May 29, 2018 at 02:19PM by yevonxxx https://ift.tt/2LKnc2l