worked for me:
dropbox stop
[wait....]
env XDG_CURRENT_DESKTOP=Unity dropbox start -i
⟫ cat /etc/lsb-release DISTRIB_ID=Ubuntu DISTRIB_RELEASE=17.10 DISTRIB_CODENAME=artful DISTRIB_DESCRIPTION="Ubuntu 17.10"
worked for me:
dropbox stop
[wait....]
env XDG_CURRENT_ DESKTOP= Unity dropbox start -i
⟫ cat /etc/lsb-release RELEASE= 17.10 CODENAME= artful DESCRIPTION= "Ubuntu 17.10"
DISTRIB_ID=Ubuntu
DISTRIB_
DISTRIB_
DISTRIB_