Comment 21 for bug 1754458

https://launchpad.net/~james-rogers-n fix, to insert dbus-launch worked for me.

[quote]
/usr/share/mate/autostart/indicator-application.desktop

I changed the following line:

Exec=/usr/lib/x86_64-linux-gnu/indicator-application/indicator-application-service

To instead say this:

Exec=dbus-launch /usr/lib/x86_64-linux-gnu/indicator-application/indicator-application-service
[/quote]