5

Why are some icons missing from the top panel on Gnome after installing Unity on Ubuntu 18.04?

I have the extension Topicons plus, but just the icons which do not depend on this extension have disappeared like Skype, Telegram, Thunderbird with Firetray.

When I type Alt+F2, then r, the icons re-appear but I need to do this after every restart.

Thanks in advance.

7

It also seems to happen after Ubuntu upgrade. Gnome is conflicting with unity stuff in this case. See this answer and other below.

So, if you want gnome instead of unity as in my case, I've just removed the obsolete package:

sudo apt remove indicator-application

Then reboot the system or do this for immediate effect

0

I had to change the value of "Exec" in /etc/xdg/autostart/indicator-application.desktop with

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

to solve this problem.

0

Remove compiz application. That application makes gnome topbar unable to work after every restart or after every unlock.

sudo apt remove --purge compiz

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